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Xie S, Monteiro K, Gjelsvik A. Influenza vaccine during pregnancy, recommendations from healthcare providers, and race/ethnicity in the United States. Arch Gynecol Obstet 2024:10.1007/s00404-023-07366-1. [PMID: 38300355 DOI: 10.1007/s00404-023-07366-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 12/26/2023] [Indexed: 02/02/2024]
Abstract
OBJECTIVES We examined racial/ethnic differences in the association between influenza vaccine recommendations from healthcare providers and maternal vaccination uptake. METHODS This cross-sectional study examined data from the Pregnancy Risk Assessment Monitoring System. We categorized respondents as non-Hispanic (NH) Whites, NH-Blacks, NH-Asians, American Indians/Alaska Natives, NH Other non-Whites, and Hispanics. We conducted multivariable logistical regression models to evaluate adjusted odds ratios (AOR) and 95% confidence intervals (CI). Covariates included maternal age, marital status, education, insurance status before pregnancy, the number of previous live births, the number of prenatal care visits, and smoking status during pregnancy. RESULTS The prevalences of receiving influenza vaccine recommendations from healthcare providers and maternal vaccine were 80.01% and 50.42%, respectively. NH-Blacks are less likely to receive provider recommendations (AOR = 0.82; 95%CI 0.77-0.87) and be vaccinated (AOR = 0.76; 95%CI 0.72-0.80) than NH-Whites. Receiving provider recommendations was significantly associated with increased maternal influenza vaccine uptake (AOR = 15.50; 95% CI 14.51-16.55). The associations were significant for all racial/ethnic groups, with the highest among NH-Asians (AOR = 22.04; 95% CI 17.88-27.16) and the lowest among NH Other non-Whites (AOR = 11.07; 95% CI 8.25-14.86). Within NH-Asians, effectiveness among Chinese was highest (AOR = 29.39; 95% CI 18.10-47.71). CONCLUSIONS Racial/ethnic disparities in maternal influenza vaccine uptake and receiving vaccine recommendations from healthcare providers persisted. Further studies on the racial/ethnic disparities in maternal vaccination were warranted and tailored strategies are required to reduce this health disparity.
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Affiliation(s)
- Shuai Xie
- School of Public Health, Brown University, Providence, RI, USA.
| | | | - Annie Gjelsvik
- School of Public Health, Brown University, Providence, RI, USA
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Homaira N, He WQ, McRae J, Macartney K, Liu B. Coverage and predictors of influenza and pertussis vaccination during pregnancy: a whole of population-based study. Vaccine 2023; 41:6522-6529. [PMID: 37741762 DOI: 10.1016/j.vaccine.2023.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/03/2023] [Accepted: 09/04/2023] [Indexed: 09/25/2023]
Abstract
BACKGROUND Respiratory infections including influenza and pertussis are associated with significant morbidity and mortality in mothers and newborns. Vaccination during pregnancy against influenza and pertussis is recommended for all women but data on uptake in Australia is limited. METHODS We conducted a retrospective population-based cohort study in Australia's largest state, New South Wales (NSW), using a Perinatal Data Collection (PDC). Data included demographic, pregnancy, and birth details including pertussis and influenza vaccination during pregnancy for all women giving birth between 01 January 2016 and 31 December 2020. We used descriptive statistics to assess uptake of influenza and pertussis vaccination during pregnancy and Poisson loglinear regression to estimate associations between maternal characteristics and vaccine receipt. RESULTS During 2016-2020, there were 477,776 births (mean maternal age 32.25 years). In 176,255 (36.9%) births the mother received both vaccines; 202,922 (42.5%) influenza and 315,620 (66.1%) pertussis vaccine. From 2016 to 2020, reported coverage increased from 26.7% to 58.7% for influenza and 43.1% to 78.8% for pertussis, respectively. After adjustment, characteristics associated with lower likelihood of receiving influenza and pertussis vaccination included: younger age (<30 years), being born in Australia/New Zealand, from lower socio-economic strata, having previous pregnancies, being later to first antenatal care, utilising the public hospital care model, smoking, having chronic hypertension and BMI > 25 kg/m2. CONCLUSIONS While reported coverage of both influenza and pertussis vaccine in birthing women in NSW has increased over time, disparities in coverage exist and they highlight areas where evidence-based interventions to improve maternal vaccination could be targeted.
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Affiliation(s)
- Nusrat Homaira
- School of Clinical Medicine, Faculty of Medicine, UNSW Sydney, New South Wales, Australia; Respiratory Department, Sydney Children's Hospital Randwick, New South Wales, Australia; James P. Grant School of Public Health, BRAC University, Dhaka, Bangladesh
| | - Wen-Qiang He
- Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; School of Population Health, UNSW Sydney, New South Wales, Australia
| | - Jocelynne McRae
- National Centre for Immunisation Research and Surveillance (NCIRS), Sydney Children's Hospital's Network, Westmead, New South Wales, Australia
| | - Kristine Macartney
- Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; National Centre for Immunisation Research and Surveillance (NCIRS), Sydney Children's Hospital's Network, Westmead, New South Wales, Australia
| | - Bette Liu
- National Centre for Immunisation Research and Surveillance (NCIRS), Sydney Children's Hospital's Network, Westmead, New South Wales, Australia; School of Population Health, UNSW Sydney, New South Wales, Australia.
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Rodríguez-Blanco N, Ibarra-González L, Vegara-López I, Orts-Cortés MI. [Evaluation of a community-based intervention to increase influenza vaccination coverage in pregnant women]. Aten Primaria 2023; 55:102652. [PMID: 37210972 PMCID: PMC10209675 DOI: 10.1016/j.aprim.2023.102652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/28/2023] [Accepted: 04/17/2023] [Indexed: 05/23/2023] Open
Abstract
OBJECTIVE To know the impact of the educational intervention carried out on the professionals of a basic health area and their community participation group, which make up the intervention group (IG), and to analyze its repercussion on the vaccination coverage achieved for influenza in the risk group (pregnant and puerperal women) comparing it with its neighboring basic zone, which makes up the control group (CG), during the 2019/20 vaccination season. DESIGN Quasi-experimental study of community intervention. SITE: Two basic health zones belonging to the Elche-Crevillente health department, Spain. PARTICIPANTS Pregnant and postpartum women from 2 basic health areas and the community participation group. Health professionals directly related to the flu vaccination campaign. INTERVENTIONS Training session for the IG prior to the 2019/20 flu campaign. MAIN MEASUREMENTS Attitudes towards influenza vaccination in health professionals through the validated CAPSVA questionnaire and the vaccination coverage of pregnant and postpartum women through the Nominal Vaccine Registry and their acceptance of the vaccine in the midwife's office. RESULTS The influenza vaccination coverage data recorded in Nominal Vaccine Registry for pregnant and puerperal women was 26.4% (n=207) in the IG and 19.7% (n=144) in the CG (p=0.001), with an incidence ratio of 1.34, thus achieving 34% more vaccination in the IG. Acceptance for vaccination in the midwife's office was also high, with 96.5% immunization in IG vs. 89.0% in CG, with a RR=1.09 (95% CI 1.01-1.62). CONCLUSIONS Joint training strategies for professionals and community assets improve the results of vaccination coverage.
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Affiliation(s)
- Noelia Rodríguez-Blanco
- Departamento de Enfermería, Universidad Cardenal Herrera-CEU, CEU Universities, Elche, Alicante, España; Departamento de Obstetricia y Ginecología, Hospital Marina Baixa, Villajoyosa, Alicante, España.
| | | | - Irene Vegara-López
- Departamento de Enfermería, Universidad Cardenal Herrera-CEU, CEU Universities, Elche, Alicante, España; Servicio de Obstetricia y Ginecología, Hospital Universitario del Vinalopó, Elche, Alicante, España
| | - María Isabel Orts-Cortés
- Departamento de Enfermería, Universidad de Alicante (BALMIS), Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Alicante, España; Unidad de Investigación en Cuidados y Servicios de Salud (Investén-isciii), Instituto de Salud Carlos III, Madrid, España; Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Madrid, España
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Mchugh L, Van Buynder P, Sarna M, Andrews RM, Moore HC, Binks MJ, Pereira G, Blyth CC, Lust K, Foo D, Regan AK. Timing and temporal trends of influenza and pertussis vaccinations during pregnancy in three Australian jurisdictions: The Links2HealthierBubs population-based linked cohort study, 2012-2017. Aust N Z J Obstet Gynaecol 2023; 63:27-33. [PMID: 35696340 PMCID: PMC10952684 DOI: 10.1111/ajo.13548] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 05/09/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Antenatal inactivated influenza (IIV) and pertussis-containing vaccines (dTpa) offer protection against severe respiratory infections for pregnant women and infants <6 months of age. Both vaccines are recommended in pregnancy; however, little is known about temporal or jurisdictional trends and predictors of uptake. AIMS To identify gaps and predictors of IIV and/or dTpa vaccinations in Australian pregnancies from 2012 to 2017. MATERIALS AND METHODS We conducted a probabilistically linked, multi-jurisdictional population-based cohort study, drawing from perinatal data collections and immunisation databases. We used a generalised linear mixed model with a random effect term to account for clustering of multiple pregnancies within mothers, to calculate vaccination uptake, and identify predictors of uptake by maternal demographic, pregnancy, and health characteristics. RESULTS Of 591 868 unique pregnancies, IIV uptake was 15%, dTpa 27% and 12% received both vaccines. Pertussis vaccinations in First Nations pregnancies were 20% lower than non-Indigenous pregnancies; dTpa was strongly associated with IIV uptake (risk ratio (RR): 8.60, 95% CI 8.48-8.73). This trend was temporally and jurisdictionally consistent. First Nations women were more likely to have had IIV in pregnancy before the introduction of dTpa in the pregnancy program: (RR: 1.48, 95% CI 1.40-1.57), but less likely after dTpa implementation (RR: 0.78, 95% CI 0.76-0.80). CONCLUSIONS Inequity in vaccine uptake between First Nations and non-Indigenous pregnancies, and dismal rates of vaccination in pregnancy overall need urgent review, particularly before the next influenza pandemic or pertussis outbreak. If antenatal dTpa is driving IIV uptake, changes in antenatal healthcare practices are needed to ensure vaccines are offered equitably and optimally to protect against infection.
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Affiliation(s)
- Lisa Mchugh
- School of Public HealthUniversity of QueenslandBrisbaneQueenslandAustralia
| | - Paul Van Buynder
- School of Medicine and DentistryGriffith UniversitySouthportQueenslandAustralia
| | - Mohinder Sarna
- Curtin School of Population HealthCurtin UniversityPerthWestern AustraliaAustralia
- Wesfarmers Centre for Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia
| | - Ross M. Andrews
- Australian National UniversityCanberraAustralian Capital TerritoryAustralia
| | - Hannah C. Moore
- Curtin School of Population HealthCurtin UniversityPerthWestern AustraliaAustralia
- Wesfarmers Centre for Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia
| | - Michael J. Binks
- Menzies School of Health ResearchDarwinNorthern TerritoryAustralia
| | - Gavin Pereira
- Curtin School of Population HealthCurtin UniversityPerthWestern AustraliaAustralia
- Wesfarmers Centre for Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia
- enAble InstituteCurtin UniversityPerthWestern AustraliaAustralia
- Centre for Fertility and Health (CeFH)Norwegian Institute of Public HealthOsloNorway
| | - Christopher C. Blyth
- Wesfarmers Centre for Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia
- School of MedicineThe University of Western AustraliaPerthWestern AustraliaAustralia
- Department of Paediatric Infectious DiseasesPerth Children's HospitalPerthWestern AustraliaAustralia
- Department of MicrobiologyPathWest Laboratory MedicinePerthWestern AustraliaAustralia
| | - Karin Lust
- Women's and Newborn ServiceRoyal Brisbane and Women's HospitalBrisbaneQueenslandAustralia
- Department of MedicineThe University of QueenslandBrisbaneQueenslandAustralia
| | - Damien Foo
- Curtin School of Population HealthCurtin UniversityPerthWestern AustraliaAustralia
- Wesfarmers Centre for Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia
| | - Annette K. Regan
- Curtin School of Population HealthCurtin UniversityPerthWestern AustraliaAustralia
- Wesfarmers Centre for Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia
- School of Nursing and Health ProfessionsUniversity of San FranciscoSan FranciscoCaliforniaUSA
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Regan AK, Fiddian-Green A. Protecting pregnant people & infants against influenza: A landscape review of influenza vaccine hesitancy during pregnancy and strategies for vaccine promotion. Hum Vaccin Immunother 2022; 18:2156229. [PMID: 36535646 PMCID: PMC10019833 DOI: 10.1080/21645515.2022.2156229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Before COVID-19, influenza vaccines were the most widely recommended vaccine during pregnancy worldwide. In response to immunization during pregnancy, maternal antibodies offer protection against potentially life-threatening disease in both pregnant people and their infants up to six months of age. Despite this, influenza vaccine hesitancy is common, with few countries reporting immunization rates in pregnant people above 50%. In this review, we highlight individual, institutional, and social factors associated with influenza vaccine hesitancy during pregnancy. In addition, we present an overview of the evidence evaluating interventions to address influenza vaccine hesitancy during pregnancy. While some studies have indicated promising results, no single intervention has consistently effectively increased influenza vaccine uptake during pregnancy. Using a social-ecological model of health framework, future strategies addressing multiple levels of vaccine hesitancy will be needed to realize the potential health benefits of prenatal immunization programs.
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Affiliation(s)
- Annette K Regan
- School of Nursing and Health Professions, University of San Francisco, San Francisco, CA, USA.,Fielding School of Public Health, University of California Los Angeles, Los Angeles, CA, USA
| | - Alice Fiddian-Green
- School of Nursing and Health Professions, University of San Francisco, San Francisco, CA, USA
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6
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Sarna M, Pereira GF, Foo D, Baynam GS, Regan AK. The risk of major structural birth defects associated with seasonal influenza vaccination during pregnancy: A population-based cohort study. Birth Defects Res 2022; 114:1244-1256. [PMID: 35678518 PMCID: PMC9796878 DOI: 10.1002/bdr2.2049] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 04/08/2022] [Accepted: 04/13/2022] [Indexed: 01/07/2023]
Abstract
INTRODUCTION Seasonal inactivated influenza vaccine (IIV) is routinely recommended during pregnancy to protect both mothers and infants from complications following influenza infection. While previous studies have evaluated the risk of major structural birth defects in infants associated with prenatal administration of monovalent pandemic IIV, fewer studies have evaluated the risk associated with prenatal seasonal IIV. METHODS We conducted a population-based cohort study of 125,866 singleton births between 2012 and 2016 in Western Australia. Birth registrations were linked to the state's registers for congenital anomalies and a state prenatal vaccination database. We estimated prevalence ratios (PR) of any major structural birth defect and defects by organ system. Vaccinated pregnancies were defined as those with a record of IIV in the first trimester. Inverse probability treatment weighting factored for baseline probability for vaccination. A Bonferroni correction was applied to account for multiple comparisons. RESULTS About 3.9% of births had a major structural birth defect. Seasonal IIV exposure during the first trimester was not associated with diagnosis of any major structural birth defect diagnosed within 1 month of birth (PR 0.98, 95% CI: 0.77, 1.28) or within 6 years of life (PR 1.02, 95% CI: 0.78, 1.35). We identified no increased risk in specific birth defects associated with seasonal IIV. CONCLUSION Based on registry data for up to 6 years of follow-up, results suggest there is no association between maternal influenza vaccination and risk of major structural birth defects. These results support the safety of seasonal IIV administration during pregnancy.
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Affiliation(s)
- Mohinder Sarna
- Curtin School of Population HealthCurtin UniversityBentleyWestern AustraliaAustralia,Wesfarmers Centre of Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia
| | - Gavin F. Pereira
- Curtin School of Population HealthCurtin UniversityBentleyWestern AustraliaAustralia,Wesfarmers Centre of Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia,Centre for Fertility and HealthNorwegian Institute of Public HealthOsloNorway
| | - Damien Foo
- Curtin School of Population HealthCurtin UniversityBentleyWestern AustraliaAustralia,Wesfarmers Centre of Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia
| | - Gareth S. Baynam
- King Edward Memorial Hospital, Western Australian Department of HealthSubiacoWestern AustraliaAustralia,Faculty of Health and Medical Sciences, Division of PediatricsThe University of Western AustraliaCrawleyWestern AustraliaAustralia
| | - Annette K. Regan
- Curtin School of Population HealthCurtin UniversityBentleyWestern AustraliaAustralia,Wesfarmers Centre of Vaccines & Infectious DiseasesTelethon Kids InstitutePerthWestern AustraliaAustralia,School of Nursing and Health ProfessionsUniversity of San FranciscoSan FranciscoCaliforniaUSA
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7
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Geoghegan S, Shuster S, Butler KM, Feemster KA. Understanding Barriers and Facilitators to Maternal Immunization: A Systematic Narrative Synthesis of the Published Literature. Matern Child Health J 2022; 26:2198-2209. [PMID: 36173503 PMCID: PMC9521012 DOI: 10.1007/s10995-022-03508-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2022] [Indexed: 11/24/2022]
Abstract
Introduction Vaccines are being developed against Group B Streptococcus and respiratory syncytial virus. These vaccines are designed to be given to pregnant women to protect infants; thus, their success depends on uptake in this population. Maternal immunization programs have struggled to achieve target coverage rates. This systematic narrative synthesis aims to define the most important barriers and facilitators for maternal immunization and to identify priority areas for future research. Methods A search strategy was developed in Medline and adapted according to the requirements of additional search engines. Two reviewers independently reviewed the studies, using pre-specified inclusion and exclusion criteria. Results sections of included studies were coded, and thematic analysis was used to identify prominent themes. Results 321 studies were included in the final review. Most studies came from North America (37%), Europe (26%) or East Asia, Australia and New Zealand (22%). Low-and middle-income countries were under-represented. Five percent of studies came from Sub-Saharan Africa, and 2% came from South Asia. The prominent factors impacting maternal immunization were provider recommendation, perceived risks and benefits of maternal vaccines for the infant, race, birthplace, and access to healthcare. Few studies explored reasons behind racial and socioeconomic disparities in maternal immunization rates. Discussion A strong provider recommendation, equitable access to prenatal care and messaging that focuses on vaccine safety and infant benefits emerged as the key components for optimising vaccine uptake among pregnant women. Research among healthcare providers, minority groups and in low- and-middle-income countries was lacking. In anticipation of the expansion of maternal immunization programmes, focused research is needed to address these gaps and inform a successful public health strategy. Supplementary Information The online version contains supplementary material available at 10.1007/s10995-022-03508-0.
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Affiliation(s)
- Sarah Geoghegan
- Division of Infectious Diseases, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA, 19104, USA. .,University College Dublin School of Medicine, Belfield, Dublin 4, Ireland.
| | - Sydney Shuster
- Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA, 19104, USA
| | - Karina M Butler
- University College Dublin School of Medicine, Belfield, Dublin 4, Ireland.,Children's Health Ireland at Crumlin, Dublin 12, Ireland
| | - Kristen A Feemster
- Division of Infectious Diseases, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA, 19104, USA.,Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd., Building 421, Philadelphia, PA, 19104, USA.,Global Medical and Scientific Affairs, Merck Research Laboratories, Merck & Co., Inc, 351 North Sumneytown Pike, Upper Gwynedd, PA, 19454, USA
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8
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Pringle W, Greyson D, Graham JE, Dubé È, Mitchell H, Trottier MÈ, Berman R, Russell ML, MacDonald SE, Bettinger JA. Suitable but requiring support: How the midwifery model of care offers opportunities to counsel the vaccine hesitant pregnant population. Vaccine 2022; 40:5594-5600. [PMID: 35989134 DOI: 10.1016/j.vaccine.2022.07.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 06/02/2022] [Accepted: 07/27/2022] [Indexed: 11/28/2022]
Abstract
Uptake of vaccination during pregnancy in Canada is lower than comparator countries. A recommendation from a trusted perinatal healthcare provider is a key opportunity to promote vaccine uptake and improve confidence. This study aims to identify barriers and opportunities to vaccination in midwifery care. Seventeen semi-structured telephone interviews with practicing midwives, educators and public health professionals with immunization training experiences were conducted. Documents pertaining to the midwifery profession (approx. 50) were reviewed. Inductive thematic analysis identified logistical, interprofessional, and information barriers preventing Canadian midwives from administering vaccines and counseling clients about vaccination, as well as opportunities to address each barrier. Key interventions at the level of logistics, training, and client information materials would help address barriers to the integration of midwives into the provision and recommendation of vaccines in perinatal care across Canada.
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Affiliation(s)
- Wendy Pringle
- Vaccine Evaluation Center, University of British Columbia, 950 W 28th Ave, Vancouver, British Columbia V5Z 4H4, Canada.
| | - Devon Greyson
- Department of Communication, University of Massachusetts Amherst, Integrative Learning Center, 650 N Pleasant St, Amherst, Massachusetts 01003, USA; School of Population and Public Health, University of British Columbia, 2206 East Mall, Vancouver, British Columbia V6T 1Z3, Canada.
| | - Janice E Graham
- Department of Pediatrics, Dalhousie University, 5849 University Ave, C-309, P.O. Box 15000, Halifax, Nova Scotia B3H 4H7, Canada.
| | - Ève Dubé
- Quebec National Institute of Public Health, 945, av Wolfe, Quebec City, Quebec G1V 5B3, Canada.
| | - Hana Mitchell
- Vaccine Evaluation Center, University of British Columbia, 950 W 28th Ave, Vancouver, British Columbia V5Z 4H4, Canada; Department of Pediatrics, UBC Faculty of Medicine, Rm 2D19, 4480 Oak Street, BC Children's Hospital, Vancouver, BC V6H 3V4, Canada.
| | - Marie-Ève Trottier
- Quebec National Institute of Public Health, 945, av Wolfe, Quebec City, Quebec G1V 5B3, Canada.
| | - Robyn Berman
- Ottawa Birth and Wellness Centre, 2260 Walkley Rd, Ottawa, Ontario K1G 6A8, Canada.
| | - Margaret L Russell
- Cumming School of Medicine, University of Calgary, 3330 Hospital Dr NW, Calgary, Alberta T2N 4N1, Canada.
| | - Shannon E MacDonald
- Faculty of Nursing, University of Alberta, Level 3, Edmonton Clinic Health Academy, 11405-87 Ave, Edmonton, Alberta T6G 1C9, Canada.
| | - Julie A Bettinger
- Vaccine Evaluation Center, University of British Columbia, 950 W 28th Ave, Vancouver, British Columbia V5Z 4H4, Canada; Department of Pediatrics, UBC Faculty of Medicine, Rm 2D19, 4480 Oak Street, BC Children's Hospital, Vancouver, BC V6H 3V4, Canada.
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9
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Pringle W, Greyson D, Graham JE, Berman R, Dubé È, Bettinger JA. "Ultimately, the choice is theirs": Informed choice vaccine conversations and Canadian midwives. Birth 2022; 50:461-470. [PMID: 35906826 DOI: 10.1111/birt.12669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 06/24/2022] [Accepted: 07/02/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND In Canada, vaccination that protects against pertussis and influenza is recommended in every pregnancy, but uptake remains low. Communicating the risks and benefits of vaccination is key to clinical conversations about vaccination, which may influence the uptake of pregnancy and subsequent infant vaccines. Canadian midwives use an informed choice model of care, which is distinct from informed consent and prioritizes client autonomy in decision-making. METHODS Using institutional ethnography, which treats lived experience as expertise, we aimed to understand how Canadian midwives, governed by intersecting professional standards and regulations, navigate vaccine discussions with their clients. We conducted interviews with individuals involved in midwifery training, regulation, and continuing education, as well as key public health professionals with expertise in immunization training. Following the phases of thematic analysis outlined by Braun and Clarke, data were analyzed holistically, emergent themes identified, and coding categories developed. RESULTS Two types of confidence emerged as important to midwives' ability to conduct a thoroughly informed choice discussion about vaccines: confidence in vaccination itself (vaccine confidence), and confidence in vaccine knowledge and counseling skills (vaccine counseling confidence). A deferred or shortened vaccine discussion could be the result of either vaccine hesitancy or counseling hesitancy. DISCUSSION Currently, available clinical communication tools and recommended techniques for addressing vaccine hesitancy do not always adapt well to the needs of midwives working to support clients' informed choice decisions. Our findings suggest that Canadian midwives require more and clearer resources on both the risks and benefits of vaccination in pregnancy.
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Affiliation(s)
- Wendy Pringle
- Vaccine Evaluation Center, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Devon Greyson
- School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Janice E Graham
- Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Robyn Berman
- Ottawa Birth and Wellness Centre, Ottawa, Ontario, Canada
| | - Ève Dubé
- Quebec National Institute of Public Health, Quebec, Quebec, Canada
| | - Julie A Bettinger
- Vaccine Evaluation Center, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
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10
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Knowledge, Perceptions, Attitudes and Practices of Midwives Regarding Maternal Influenza and Pertussis Vaccination: A Qualitative Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19148391. [PMID: 35886242 PMCID: PMC9322479 DOI: 10.3390/ijerph19148391] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/28/2022] [Accepted: 07/07/2022] [Indexed: 02/04/2023]
Abstract
The coverage of maternal vaccination against pertussis and, particularly, influenza is lower than expected. The lack of recommendation from healthcare providers conditions non-vaccination in pregnant women. The purpose was to determine the knowledge, perceptions, attitudes and practices of midwives regarding maternal influenza and pertussis vaccination. A qualitative descriptive study based on semi-structured, face-to-face interviews with seventeen midwives was conducted, including purposive sampling and thematic analyses. Midwives had disparate knowledge and perceptions about the severity of influenza and pertussis in pregnant women, and influenza was not considered very serious. The vaccines were generally considered safe. However, because midwives did not have enough information about the safety of the influenza vaccine, there was a tendency not to recommend it. While most midwives had a positive attitude toward vaccination, their advocation for vaccination against influenza was not as clear as it was for pertussis. Not wanting to influence the decision and assuming an informative–facilitating role also led providers to recommend the influenza vaccine less frequently. Midwives are among the main sources of professional advice for pregnant women. Addressing their understanding and professional practices regarding maternal vaccination is key to change the attitude of pregnant women and thus increase vaccine uptake among them, particularly for influenza.
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11
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Foo D, Sarna M, Pereira G, Moore HC, Regan AK. Maternal influenza vaccination and child mortality: Longitudinal, population-based linked cohort study. Vaccine 2022; 40:3732-3736. [PMID: 35606236 DOI: 10.1016/j.vaccine.2022.05.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/02/2022] [Accepted: 05/09/2022] [Indexed: 10/18/2022]
Abstract
Influenza vaccination is recommended to protect mothers and their infants from influenza. Few studies have evaluated the association between maternal influenza vaccination and child mortality. We aimed to evaluate the association between in utero exposure to seasonal inactivated influenza vaccine (IIV) and mortality among young children. This longitudinal, population-based cohort study included 191,247 maternal-child pairs in Western Australia between April 2012 and December 2017. Maternal vaccine information was obtained from a state-wide antenatal vaccination database. Mortality was defined as a record of a death registration. We used Cox proportional hazard models, weighted by the inverse-probability of treatment (vaccination), to estimate the hazard ratio of child mortality associated with in utero exposure to seasonal IIV. This study found no association between in utero exposure to seasonal IIV and mortality through age five years.
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Affiliation(s)
- Damien Foo
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia; Wesfarmers Centre of Vaccines and Infectious Diseases, Telethon Kids Institute, The University of Western Australia, Perth, Western Australia, Australia.
| | - Mohinder Sarna
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia; Wesfarmers Centre of Vaccines and Infectious Diseases, Telethon Kids Institute, The University of Western Australia, Perth, Western Australia, Australia
| | - Gavin Pereira
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia; Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway; enAble Institute, Curtin University, Perth, Western Australia, Australia
| | - Hannah C Moore
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia; Wesfarmers Centre of Vaccines and Infectious Diseases, Telethon Kids Institute, The University of Western Australia, Perth, Western Australia, Australia
| | - Annette K Regan
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia; Wesfarmers Centre of Vaccines and Infectious Diseases, Telethon Kids Institute, The University of Western Australia, Perth, Western Australia, Australia; School of Nursing and Health Professions, University of San Francisco, San Francisco, California, United States; Fielding School of Public Health, University of California Los Angeles, Los Angeles, California, United States
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12
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Irving SA, Ball SW, Booth SM, Regan AK, Naleway AL, Buchan SA, Katz MA, Effler PV, Svenson LW, Kwong JC, Feldman BS, Klein NP, Chung H, Simmonds K. A multi-country investigation of influenza vaccine coverage in pregnant individuals, 2010-2016. Vaccine 2021; 39:7598-7605. [PMID: 34802789 DOI: 10.1016/j.vaccine.2021.11.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 11/04/2021] [Accepted: 11/08/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Many countries recommend influenza vaccination during pregnancy. Despite this recommendation, influenza vaccine among pregnant individuals remains under-utilized and uptake varies by country. Factors associated with influenza vaccine uptake during pregnancy may also vary across countries. METHODS As members of the Pregnancy Influenza Vaccine Effectiveness Network (PREVENT), five sites from four countries (Australia, Canada, Israel, and the United States) retrospectively identified cohorts of individuals aged 18-50 years who were pregnant during pre-defined influenza seasons. Influenza vaccine coverage estimates were calculated for the 2010-11 through 2015-16 northern hemisphere and the 2012 through 2015 southern hemisphere influenza seasons, by site. Sites used electronic health records, administrative data, and immunization registries to collect information on pregnancy, health history, demographics, and vaccination status. Each season, vaccination coverage was calculated as the percentage of individuals who received influenza vaccine among the individuals in the cohort that season. Characteristics were compared between those vaccinated and unvaccinated, by site. RESULTS More than two million pregnancies were identified over the study period. Influenza vaccination coverage ranged from 5% to 58% across sites and seasons. Coverage increased consistently over the study period at three of the five sites (Western Australia, Alberta, and Israel), and was highest in all seasons at the United States study site (39-58%). Associations with vaccination varied by country and across seasons; where available, parity >0, presence of a high-risk medical condition, and urban residence were consistently associated with increased likelihood of vaccination. CONCLUSIONS Though increasing, uptake of influenza vaccine among pregnant individuals remains lower than recommended. Coverage varied substantially by country, suggesting an ongoing need for targeted strategies to improve influenza vaccine uptake in this population.
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Affiliation(s)
| | - Sarah W Ball
- Abt Associates, Cambridge MA, USA; Westat, Rockville, MD, USA
| | | | - Annette K Regan
- School of Public Health, Curtin University, Perth, Australia; Wesfarmers Centre of Vaccines and Infectious Diseases, Telethon Kids Institute, Perth, Australia; School of Nursing and Health Professions, University of San Francisco, San Francisco, CA, USA
| | | | - Sarah A Buchan
- ICES, Toronto, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, Canada; Public Health Ontario, Toronto, Canada
| | - Mark A Katz
- Clalit Research Institute, Tel Aviv, Israel; Medical School for International Health and School of Public Health, Ben Gurion University of the Negev, Beersheva, Israel; University of Michigan School of Public Health, Ann Arbor MI, USA
| | - Paul V Effler
- Communicable Disease Control Directorate, Department of Health Western Australia, Perth, WA, Australia
| | - Lawrence W Svenson
- Cumming School of Medicine, University of Calgary, Calgary, Canada; Alberta Ministry of Health, Edmonton, Canada; Division of Preventive Medicine, University of Alberta, Edmonton, Canada; School of Public Health, University of Alberta, Edmonton, Canada
| | - Jeffrey C Kwong
- ICES, Toronto, Canada; Medical School for International Health and School of Public Health, Ben Gurion University of the Negev, Beersheva, Israel; Public Health Ontario, Toronto, Canada; Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada; University Health Network, Toronto, ON, Canada
| | | | - Nicola P Klein
- Kaiser Permanente Vaccine Study Center, Oakland, CA, USA
| | | | - Kimberley Simmonds
- Cumming School of Medicine, University of Calgary, Calgary, Canada; Alberta Ministry of Health, Edmonton, Canada
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13
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Speake HA, Pereira G, Regan AK. Risk of adverse maternal and foetal outcomes associated with inactivated influenza vaccination in first trimester of pregnancy. Paediatr Perinat Epidemiol 2021; 35:196-205. [PMID: 33155331 DOI: 10.1111/ppe.12715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 06/23/2020] [Accepted: 06/30/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND In many countries, influenza vaccination is routinely recommended during any stage of pregnancy, yet uptake remains low, particularly in the first trimester. This is thought to be due to maternal concerns regarding vaccine safety. OBJECTIVE To evaluate the safety of influenza vaccination in the first trimester of pregnancy. METHODS In a 4-year retrospective cohort study using probabilistic record linkage of administrative health data, we established a population-based cohort of 2391 women vaccinated in first trimester and 68 447 never vaccinated women with a date of conception between 2012 and 2015 in Western Australia. We estimated the relative risk (RR) of perinatal health outcomes among first trimester vaccinated women as compared to never vaccinated women using log-binomial logistic regression following a propensity score matched (PSM) analyses (2391 vaccinated women matched with 9564 never vaccinated women). RESULTS First trimester vaccination was not associated with increased risk of stillbirth (RR 1.18, 95% confidence interval [CI] 0.64, 2.19), small for gestational age (RR 0.96, 95% CI 0.83, 1.11) or preeclampsia (RR 0.97, 95% CI 0.74, 1.28). The risk of spontaneous birth at 32-36 weeks was higher in first trimester vaccinated women compared with never vaccinated women (RR 1.40, 95% CI 1.11, 1.77). Vaccination was associated with a 10-19% increase in the risk of gestational diabetes (RR 1.18, 95% CI 0.94, 1.49), premature rupture of membranes (RR 1.10, 95% CI 0.82, 1.48), and threatened preterm labour (RR 1.19, 95% CI 0.90, 1.59). CONCLUSIONS With exception to spontaneous preterm birth, findings suggest that first trimester vaccination is not associated with adverse maternal and foetal outcomes. Results can be used to support patient and provider-level vaccine decision making during first trimester.
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Affiliation(s)
- Hollie A Speake
- School of Medicine, University of Notre Dame, Fremantle, WA, Australia.,School of Public Health, Curtin University, Perth, WA, Australia
| | - Gavin Pereira
- School of Public Health, Curtin University, Perth, WA, Australia.,Telethon Kids Institute, Nedlands, WA, Australia.,Centre for Fertility and Health, Norwegian Public Health Institute, Oslo, Norway
| | - Annette K Regan
- School of Public Health, Curtin University, Perth, WA, Australia.,School of Public Health, Texas A&M University, College Station, TX, USA.,UCLA Fielding School of Public Health, Los Angeles, CA, USA
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14
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Campbell PT, Geard N, Hogan AB. Modelling the household-level impact of a maternal respiratory syncytial virus (RSV) vaccine in a high-income setting. BMC Med 2020; 18:319. [PMID: 33176774 PMCID: PMC7661211 DOI: 10.1186/s12916-020-01783-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 09/15/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Respiratory syncytial virus (RSV) infects almost all children by the age of 2 years, with the risk of hospitalisation highest in the first 6 months of life. Development and licensure of a vaccine to prevent severe RSV illness in infants is a public health priority. A recent phase 3 clinical trial estimated the efficacy of maternal vaccination at 39% over the first 90 days of life. Households play a key role in RSV transmission; however, few estimates of population-level RSV vaccine impact account for household structure. METHODS We simulated RSV transmission within a stochastic, individual-based model framework, using an existing demographic model, structured by age and household and parameterised with Australian data, as an exemplar of a high-income country. We modelled vaccination by immunising pregnant women and explicitly linked the immune status of each mother-infant pair. We quantified the impact on children for a range of vaccine properties and uptake levels. RESULTS We found that a maternal immunisation strategy would have the most substantial impact in infants younger than 3 months, reducing RSV infection incidence in this age group by 16.6% at 70% vaccination coverage. In children aged 3-6 months, RSV infection was reduced by 5.3%. Over the first 6 months of life, the incidence rate for infants born to unvaccinated mothers was 1.26 times that of infants born to vaccinated mothers. The impact in older age groups was more modest, with evidence of infections being delayed to the second year of life. CONCLUSIONS Our findings show that while individual benefit from maternal RSV vaccination could be substantial, population-level reductions may be more modest. Vaccination impact was sensitive to the extent that vaccination prevented infection, highlighting the need for more vaccine trial data.
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Affiliation(s)
- Patricia T. Campbell
- Epidemiology, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria Australia
- School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Nicholas Geard
- Epidemiology, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria Australia
- School of Computing and Information Systems, Melbourne School of Engineering, The University of Melbourne, Melbourne, Australia
| | - Alexandra B. Hogan
- MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Faculty of Medicine, Imperial College London, London, UK
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15
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Zerbo O, Ray GT, Zhang L, Goddard K, Fireman B, Adams A, Omer S, Kulldorff M, Klein NP. Individual and Neighborhood Factors Associated With Failure to Vaccinate Against Influenza During Pregnancy. Am J Epidemiol 2020; 189:1379-1388. [PMID: 32735018 PMCID: PMC7604527 DOI: 10.1093/aje/kwaa165] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 07/27/2020] [Accepted: 07/28/2020] [Indexed: 12/18/2022] Open
Abstract
Uptake of influenza vaccine among pregnant women remains low. We investigated whether unvaccinated pregnant women were clustered geographically and determined factors associated with failure to vaccinate using spatial and multivariate logistic regression analyses. Pregnant women who were members of Kaiser Permanente Northern California in 2015 or 2016 were included in the study. More than half (53%) of the 77,607 included pregnant women were unvaccinated. Spatial analysis identified 5 clusters with a high prevalence of unvaccinated pregnant women. The proportion of unvaccinated women ranged from 57% to 75% within clusters as compared with 51% outside clusters. In covariate-adjusted analyses, residence in a cluster was associated with a 41% increase in the odds of being unvaccinated (odds ratio (OR) = 1.41, 95% confidence interval (CI): 1.36, 1.46). The odds of being unvaccinated were greater for Black women (OR = 1.58, 95% CI: 1.49, 1.69), Hispanic women (OR = 1.15, 95% CI: 1.05, 1.25), women with subsidized health insurance (OR = 1.18, 95% CI: 1.11, 1.24), women with fewer than 5 prenatal-care visits (OR = 1.85, 95% CI: 1.60, 2.16), and neighborhoods with a high deprivation index (fourth quartile vs. first: OR = 1.14, 95% CI: 1.07, 1.21). In conclusion, unvaccinated pregnant women were clustered geographically and by key sociodemographic factors. These findings suggest that interventions to increase influenza vaccine coverage among pregnant women are needed, particularly in vulnerable populations.
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Affiliation(s)
- Ousseny Zerbo
- Correspondence to Dr. Ousseny Zerbo, Kaiser Permanente Northern California Vaccine Study Center, 1 Kaiser Plaza, 16th Floor, Oakland, CA 94612 (e-mail: )
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16
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Malik FA, Alonso JP, Sanclemente LN, Vilajeliu A, Gutierrez M, Gonzalez-Casanova I, Jones D, Omer S, Ropero AM, Belizán M. Health care providers perspectives about maternal immunization in Latin America. Vaccine 2020; 39 Suppl 2:B50-B54. [PMID: 33127187 DOI: 10.1016/j.vaccine.2020.09.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 07/10/2020] [Accepted: 09/02/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Antenatal care providers have a key role in providing appropriate information and immunization recommendations to improve pregnant women's vaccine uptake. The objective of this study is to describe health care providers' perspectives and experience regarding the implementation of maternal immunization programs in Latin America. METHODS We conducted 33 in-depth interviews of health care providers from Argentina, Brazil, Honduras, Mexico, and Peru (6-7 per country). Qualitative data analysis was conducted using a combination of both manual techniques and the computer software program NVivo. We identified and coded main themes related to maternal immunization. RESULTS The main themes identified in this analysis were practices related to maternal immunization, knowledge and training, resource availability and interactions with pregnant women. Healthcare providers knew that recommendations exists but some did not know their content; they expressed concerns about insufficient training. Providers from all five countries expressed the need for additional human resources and supplies. They also expressed a desire for women to be more proactive and ask more questions during the health visits. CONCLUSION This is the first multi-country study assessing the perspectives of health care providers about maternal immunization practices at the facility level in Latin America. Recommendations based on the results from this study include implementing additional trainings around maternal immunization, especially targeting obstetricians and midwives. These trainings should be conducted in coordination with improvements to supply chain and other structural issues.
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Affiliation(s)
- Fauzia A Malik
- Yale School of Medicine, Yale University, New Haven, CT, United States.
| | - Juan Pedro Alonso
- Qualitative Health Research Unit, Institute for Clinical Effectiveness and Health Policy, Buenos Aires, Argentina.
| | - Lauren N Sanclemente
- Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States.
| | - Alba Vilajeliu
- Comprehensive Family Immunization Unit, Department of Family, Health Promotion, and Life Course (FPL), Pan American Health Organization (PAHO) / WHO Regional Office for the Americas, Washington DC, United States.
| | - Mariana Gutierrez
- Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States.
| | - Ines Gonzalez-Casanova
- Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States; Indiana University Bloomington School of Public Health, Department of Applied Health Sciences, Indiana University, Bloomington IN, United States.
| | - Daniel Jones
- Qualitative Health Research Unit, Institute for Clinical Effectiveness and Health Policy, Buenos Aires, Argentina
| | - Saad Omer
- Yale School of Medicine, Yale University, New Haven, CT, United States; Yale Institute for Global Health, New Haven, CT, United States; Department of Epidemiology of Micorbial Diseases, Yale School of Public Health, New Haven, CT, United States.
| | - Alba-Maria Ropero
- Comprehensive Family Immunization Unit, Department of Family, Health Promotion, and Life Course (FPL), Pan American Health Organization (PAHO) / WHO Regional Office for the Americas, Washington DC, United States.
| | - María Belizán
- Qualitative Health Research Unit, Institute for Clinical Effectiveness and Health Policy, Buenos Aires, Argentina.
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Foo DYP, Sarna M, Pereira G, Moore HC, Fell DB, Regan AK. Early Childhood Health Outcomes Following In Utero Exposure to Influenza Vaccines: A Systematic Review. Pediatrics 2020; 146:peds.2020-0375. [PMID: 32719088 DOI: 10.1542/peds.2020-0375] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/07/2020] [Indexed: 11/24/2022] Open
Abstract
CONTEXT Vaccination during pregnancy is an effective strategy for preventing infant disease; however, little is known about early childhood health after maternal vaccination. OBJECTIVES To systematically review the literature on early childhood health associated with exposure to influenza vaccines in utero. DATA SOURCES We searched CINAHL Plus, Embase, Medline, Scopus, and Web of Science for relevant articles published from inception to July 24, 2019. STUDY SELECTION We included studies published in English reporting original data with measurement of in utero exposure to influenza vaccines and health outcomes among children <5 years of age. DATA EXTRACTION Two authors independently assessed eligibility and extracted data on study design, setting, population, vaccines, outcomes, and results. RESULTS The search yielded 3647 records, of which 9 studies met the inclusion criteria. Studies examined infectious, atopic, autoimmune, and neurodevelopmental outcomes, and all-cause morbidity and mortality. Authors of 2 studies reported an inverse association between pandemic influenza vaccination and upper respiratory tract infections, gastrointestinal infections, and all-cause hospitalizations; and authors of 2 studies reported modest increased association between several childhood disorders and pandemic or seasonal influenza vaccination, which, after adjusting for confounding and multiple comparisons, were not statistically significant. LIMITATIONS Given the small number of studies addressing similarly defined outcomes, meta-analyses were deemed not possible. CONCLUSIONS Results from the few studies in which researchers have examined outcomes in children older than 6 months of age did not identify an association between exposure to influenza vaccines in utero and adverse childhood health outcomes.
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Affiliation(s)
- Damien Y P Foo
- School of Public Health, Curtin University, Perth, Western Australia, Australia; .,Wesfarmers Centre of Vaccines & Infectious Diseases
| | - Mohinder Sarna
- School of Public Health, Curtin University, Perth, Western Australia, Australia.,Wesfarmers Centre of Vaccines & Infectious Diseases
| | - Gavin Pereira
- School of Public Health, Curtin University, Perth, Western Australia, Australia.,Telethon Kids Institute, The University of Western Australia, Perth, Western Australia, Australia.,Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | | | - Deshayne B Fell
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada.,Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada; and
| | - Annette K Regan
- School of Public Health, Curtin University, Perth, Western Australia, Australia.,Wesfarmers Centre of Vaccines & Infectious Diseases.,School of Public Health, Texas A&M University, College Station, Texas
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18
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Kilich E, Dada S, Francis MR, Tazare J, Chico RM, Paterson P, Larson HJ. Factors that influence vaccination decision-making among pregnant women: A systematic review and meta-analysis. PLoS One 2020; 15:e0234827. [PMID: 32645112 PMCID: PMC7347125 DOI: 10.1371/journal.pone.0234827] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 06/02/2020] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND The most important factor influencing maternal vaccination uptake is healthcare professional (HCP) recommendation. However, where data are available, one-third of pregnant women remain unvaccinated despite receiving a recommendation. Therefore, it is essential to understand the significance of other factors and distinguish between vaccines administered routinely and during outbreaks. This is the first systematic review and meta-analysis (PROSPERO: CRD 42019118299) to examine the strength of the relationships between identified factors and maternal vaccination uptake. METHODS We searched MEDLINE, Embase Classic & Embase, PsycINFO, CINAHL Plus, Web of Science, IBSS, LILACS, AfricaWideInfo, IMEMR, and Global Health databases for studies reporting factors that influence maternal vaccination. We used random-effects models to calculate pooled odds ratios (OR) of being vaccinated by vaccine type. FINDINGS We screened 17,236 articles and identified 120 studies from 30 countries for inclusion. Of these, 49 studies were eligible for meta-analysis. The odds of receiving a pertussis or influenza vaccination were ten to twelve-times higher among pregnant women who received a recommendation from HCPs. During the 2009 influenza pandemic an HCP recommendation increased the odds of antenatal H1N1 vaccine uptake six times (OR 6.76, 95% CI 3.12-14.64, I2 = 92.00%). Believing there was potential for vaccine-induced harm had a negative influence on seasonal (OR 0.22, 95% CI 0.11-0.44 I2 = 84.00%) and pandemic influenza vaccine uptake (OR 0.16, 95% CI 0.09-0.29, I2 = 89.48%), reducing the odds of being vaccinated five-fold. Combined with our qualitative analysis the relationship between the belief in substantial disease risk and maternal seasonal and pandemic influenza vaccination uptake was limited. CONCLUSIONS The effect of an HCP recommendation during an outbreak, whilst still powerful, may be muted by other factors. This requires further research, particularly when vaccines are novel. Public health campaigns which centre on the protectiveness and safety of a maternal vaccine rather than disease threat alone may prove beneficial.
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Affiliation(s)
- Eliz Kilich
- Department of Infectious Diseases Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene & Topical Medicine, London, United Kingdom
| | - Sara Dada
- Department of Infectious Diseases Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene & Topical Medicine, London, United Kingdom
| | - Mark R. Francis
- Department of Infectious Diseases Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene & Topical Medicine, London, United Kingdom
| | - John Tazare
- Department of Medical Statistics, Faculty of Epidemiology and Population Health, London School of Hygiene & Topical Medicine, London, United Kingdom
| | - R. Matthew Chico
- Department of Disease Control, Faculty of Infectious and Tropical Diseases, London School of Hygiene & Topical Medicine, London, United Kingdom
| | - Pauline Paterson
- Department of Infectious Diseases Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene & Topical Medicine, London, United Kingdom
| | - Heidi J. Larson
- Department of Infectious Diseases Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene & Topical Medicine, London, United Kingdom
- Institute of Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America
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19
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Glover C, Crawford N, Leeb A, Wood N, Macartney K. Active SMS-based surveillance of adverse events following immunisation with influenza and pertussis-containing vaccines in Australian pregnant women using AusVaxSafety. Vaccine 2020; 38:4892-4900. [PMID: 32499067 DOI: 10.1016/j.vaccine.2020.04.056] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/17/2020] [Accepted: 04/19/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND Maternal immunisation is important to protect both mother and baby, but safety concerns can lead to low uptake. AusVaxSafety participant-based surveillance actively monitors adverse events following immunisation (AEFI) in Australia. We aimed to analyse AEFI in the days following vaccination with seasonal inactivated influenza vaccine (IIV) and/or reduced antigen diphtheria-tetanus-acellular pertussis vaccine (dTpa) in pregnant women in Australia. METHODS De-identified AEFI reports were solicited from vaccine recipients via automated SMS survey (using SmartVax software) following routine vaccination with IIV and/or dTpa at 219 national sentinel surveillance sites from 2015 to 2018. AEFI rates were compared by vaccine group (IIV alone, dTpa alone, or IIV and dTpa together), vaccine brand, trimester (IIV only) and vaccination period (April to August 2016-2018; IIV only). Women who had two vaccination encounters during surveillance were identified and AEFI rates compared for each dose. RESULTS Among 13,758 participants, overall AEFI rates were lower following IIV (4.9%) than dTpa (6.4%) or IIV and dTpa given concomitantly (7.4%). The AEFI profile was similar for both vaccines, with injection site reactions, tiredness, and headache most commonly reported. Injection site pain and swelling/redness were significantly more common in women who received dTpa than IIV. Reports of medical attendance following immunisation were similar (0.3%) for each vaccine group. AEFI rates did not differ by IIV brand (FluQuadri®, Fluarix® Tetra), dTpa brand (Boostrix®, Adacel®), or by trimester. Among women with sequential dTpa vaccinations, 6.0% (7/116) had an AEFI following their second dTpa dose. CONCLUSIONS Self-reported AEFI rates did not differ by trimester (IIV), or by vaccine brand (IIV or dTpa). Concomitant influenza and pertussis vaccination was associated with more frequent, but low rates of minor, expected AEFI. These real world 'citizen science-based' data provide further reassuring evidence of the safety of maternal vaccination.
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Affiliation(s)
- Catherine Glover
- National Centre for Immunisation Research and Surveillance, Children's Hospital at Westmead, Westmead, New South Wales, Australia.
| | - Nigel Crawford
- Murdoch Children's Research Institute, Parkville, Victoria, Australia; Royal Children's Hospital, Melbourne, Victoria, Australia; Department of Paediatrics, The University of Melbourne, Melbourne, Victoria, Australia.
| | - Alan Leeb
- SmartVax, Illawarra Medical Centre, Ballajura, Western Australia, Australia; Illawarra Medical Centre, Ballajura, Western Australia, Australia.
| | - Nicholas Wood
- National Centre for Immunisation Research and Surveillance, Children's Hospital at Westmead, Westmead, New South Wales, Australia; Discipline of Child and Adolescent Health, University of Sydney, Sydney, Australia.
| | - Kristine Macartney
- National Centre for Immunisation Research and Surveillance, Children's Hospital at Westmead, Westmead, New South Wales, Australia; Discipline of Child and Adolescent Health, University of Sydney, Sydney, Australia; Department of Microbiology and Infectious Disease, Children's Hospital at Westmead, Westmead, New South Wales, Australia.
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20
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Kaufman J, Attwell K, Tuckerman J, O'Sullivan J, Omer SB, Leask J, Regan A, Marshall H, Lee KJ, Snelling T, Perrett K, Wiley K, Giles ML, Danchin M. Feasibility and acceptability of the multi-component P3-MumBubVax antenatal intervention to promote maternal and childhood vaccination: A pilot study. Vaccine 2020; 38:4024-4031. [PMID: 32321684 DOI: 10.1016/j.vaccine.2020.04.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/01/2020] [Accepted: 04/03/2020] [Indexed: 01/19/2023]
Abstract
BACKGROUND Pregnancy is a critical time for vaccine decision-making, but coverage remains suboptimal for maternal influenza (45-60%) and pertussis vaccination (65-80%) in Australia. The multi-component P3-MumBubVax intervention has been designed for Australian midwives to optimise antenatal vaccine discussions and improve maternal and childhood vaccine uptake. A pilot study was conducted to assess intervention feasibility and acceptability. METHODS P3-MumBubVax includes components at three levels: 1. Practice ('vaccine champions'; stickers to prompt and record vaccine discussions/delivery); 2. Provider (website with vaccine communication training; learning exercise; fact sheets; links to child vaccination resources); 3. Parent (SMS reminders; website; fact sheets). Midwives and pregnant women 18-22 weeks gestation were recruited at the Royal Women's Hospital, Melbourne. Post-intervention online surveys assessed intervention feasibility, implementation, acceptability and impact on vaccine uptake. RESULTS Twenty-five midwives and 62 pregnant women were recruited and 19/25 midwives completed training. Surveys were returned by 18/25 midwives and 56/62 women. 14/18 midwives reported using the sticker prompts, 10/18 reported using or referring to the website, and 11/18 reported using the fact sheets. 48/56 pregnant women (86%) reported discussing influenza and 46/56 (82%) discussed pertussis vaccines with their midwives. These conversations were reported to be short (1-3 min) for 48/56 women (87%). All midwives were satisfied with the intervention and 17/18 reported feeling more confident discussing vaccines following the intervention. Women were very satisfied with SMS content (50/56; 94%) and timing (49/55; 89%), and with their vaccine discussions in general (34/56; 63%). However, 16/54 (30%) wanted more discussion about childhood vaccines. Self-reported maternal vaccine uptake was 82% (45/55) and 93% (51/55) for influenza and pertussis (baseline 2017-2018: 43% influenza, 60% pertussis) and 96% (50/52) of infants were fully vaccinated at 12 weeks. DISCUSSION The P3-MumBubVax intervention is feasible and acceptable in the Australian public antenatal setting. Further evaluation is required to determine effectiveness.
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Affiliation(s)
- Jessica Kaufman
- Murdoch Children's Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, 50 Flemington Road, Parkville, VIC 3052, Australia.
| | - Katie Attwell
- Faculty of Arts, Business, Law and Education, School of Social Sciences, University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia; Wesfarmers Centre of Vaccines & Infectious Diseases, Telethon Kids Institute, Perth Children's Hospital, 15 Hospital Avenue, Nedlands, WA 6009, Australia.
| | - Jane Tuckerman
- Murdoch Children's Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, 50 Flemington Road, Parkville, VIC 3052, Australia.
| | - Jacinta O'Sullivan
- Murdoch Children's Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia.
| | - Saad B Omer
- Yale Institute for Global Health, Yale University, PO Box 208034, New Haven, CT 06520, United States.
| | - Julie Leask
- University of Sydney Susan Wakil School of Nursing and Midwifery, 88 Mallett St, Camperdown, NSW 2050, Australia.
| | - Annette Regan
- Wesfarmers Centre of Vaccines & Infectious Diseases, Telethon Kids Institute, Perth Children's Hospital, 15 Hospital Avenue, Nedlands, WA 6009, Australia; School of Public Health, Texas A&M University, College Station, TX 77845, United States.
| | - Helen Marshall
- Robinson Research Institute and Adelaide Medical School, University of Adelaide, 55 King William St, North Adelaide, SA 5006, Australia; Women's and Children's Health Network, 72 King William Rd, North Adelaide, SA 5006, Australia.
| | - Katherine J Lee
- Murdoch Children's Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, 50 Flemington Road, Parkville, VIC 3052, Australia.
| | - Tom Snelling
- Wesfarmers Centre of Vaccines & Infectious Diseases, Telethon Kids Institute, Perth Children's Hospital, 15 Hospital Avenue, Nedlands, WA 6009, Australia; Perth Children's Hospital, 15 Hospital Avenue, Nedlands, WA 6009, Australia; School of Public Health, Curtin University, Kent Street, Bentley, WA 6102, Australia; Menzies School of Health Research and Charles Darwin University, PO Box 41096, Casuarina, NT 0811, Australia.
| | - Kirsten Perrett
- Murdoch Children's Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, 50 Flemington Road, Parkville, VIC 3052, Australia; Royal Children's Hospital, 50 Flemington Road, Parkville, VIC 3052, Australia.
| | - Kerrie Wiley
- University of Sydney School of Public Health, A27 Fisher Rd, Camperdown, NSW 2006, Australia.
| | - Michelle L Giles
- Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC 3168, Australia.
| | - Margie Danchin
- Murdoch Children's Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, 50 Flemington Road, Parkville, VIC 3052, Australia; Royal Children's Hospital, 50 Flemington Road, Parkville, VIC 3052, Australia.
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Gauld N, Martin S, Sinclair O, Petousis-Harris H, Dumble F, Grant CC. A Qualitative Study of Views and Experiences of Women and Health Care Professionals about Free Maternal Vaccinations Administered at Community Pharmacies. Vaccines (Basel) 2020; 8:E152. [PMID: 32235360 PMCID: PMC7349902 DOI: 10.3390/vaccines8020152] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/11/2020] [Accepted: 03/17/2020] [Indexed: 12/17/2022] Open
Abstract
Background: A policy to extend funding of maternal pregnancy influenza and pertussis vaccinations to community pharmacies could address low pregnancy vaccine uptake. The policy has been implemented in one region in New Zealand. This study explored the views and experiences of women eligible for the vaccines and health care professionals regarding funded maternal vaccinations in pharmacy. Methods: Women in late pregnancy or with an infant, and midwives, pharmacists, and general practice staff were selected purposively and interviewed regarding maternal vaccinations and the new policy, including their awareness and views of the funded vaccinations in pharmacies, and how this policy worked in practice. Enablers and barriers to vaccination by pharmacists were explored. Interviews were transcribed and analysed using a framework approach. Results: Fifty-three interviews were conducted. Most women and health care professionals viewed funded maternal vaccinations in pharmacies positively with respect to increasing awareness and providing delivery options. Many women received messages from pharmacies. Most pharmacies used posters, leaflets and/or verbal explanation to pregnant women to raise awareness of the vaccinations. Not all pharmacies provided these vaccinations, and frontline staff could help to raise awareness. Conclusion: Funded maternal vaccinations in pharmacies are generally well accepted and provide an opportunity to increase uptake and prevent disease.
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Affiliation(s)
- Natalie Gauld
- Department of Paediatrics: Child and Youth Health, University of Auckland, 2 Park Rd, Auckland 1023, New Zealand;
| | | | | | - Helen Petousis-Harris
- Department of General Practice and Primary Health Care, University of Auckland, Auckland 1023, New Zealand;
| | | | - Cameron C. Grant
- Department of Paediatrics: Child and Youth Health, University of Auckland, 2 Park Rd, Auckland 1023, New Zealand;
- General Paediatrics, Starship Children’s Hospital, Auckland 1023, New Zealand
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Moir D, Gunter K, Lynch LA, Vogrin S, Said J. Antenatal vaccine uptake: A cross-sectional study investigating factors influencing women's choices in pregnancy. Aust N Z J Obstet Gynaecol 2020; 60:729-737. [PMID: 32207153 DOI: 10.1111/ajo.13146] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 02/04/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND Seasonal influenza and pertussis cause significant morbidity and mortality among expectant mothers and infants. Vaccination during the antenatal period is an important public health intervention, minimising rates of maternal, neonatal and infant infection. AIMS The primary aim of this project was to establish the rates of antenatal vaccine uptake. Secondly, the study aimed to determine socio-demographic factors significant to vaccine uptake. Thirdly, the project aimed to produce a thematic analysis of the factors affecting vaccination uptake during pregnancy. MATERIALS AND METHODS A cross-sectional observational study was conducted among women attending a large maternity hospital, in the western suburbs of Melbourne, for perinatal care. Data were collected via self-completed questionnaires after delivery. Data from the questionnaires were entered into an electronic database, and STATA was used to undertake correlation analysis. RESULTS Over a 12-month period 1678 women completed questionnaires and 1305 were eligible for further analysis. The uptake of influenza vaccine was 48.3%, pertussis vaccine uptake was higher, at 82.9%. Uptake of influenza and pertussis vaccines strongly correlated with recommendations from healthcare providers (odds ratios 29.7 and 63.8 respectively). Maternal country of birth, age and parity were significant predictors of vaccine uptake. In thematic analysis, healthcare provider recommendation and the perceived risk of the disease were factors resulting in vaccination. CONCLUSION This study determined the rate of antenatal vaccine uptake and significant socio-demographic determinants affecting uptake at a large maternity hospital in metropolitan Melbourne. Ensuring healthcare providers recommend vaccination is likely to improve coverage.
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Affiliation(s)
- Drew Moir
- Department of Obstetrics and Gynaecology, Western Health, Melbourne, Victoria, Australia
| | - Konrad Gunter
- Department of Obstetrics and Gynaecology, Western Health, Melbourne, Victoria, Australia
| | - Lee-Anne Lynch
- Maternal Fetal Medicine Department, Western Health, Melbourne, Victoria, Australia
| | - Sara Vogrin
- Melbourne Medical School, Western Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Joanne Said
- Maternal Fetal Medicine Department, Western Health, Melbourne, Victoria, Australia
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23
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Frawley JE, McKenzie K, Cummins A, Sinclair L, Wardle J, Hall H. Midwives’ role in the provision of maternal and childhood immunisation information. Women Birth 2020; 33:145-152. [DOI: 10.1016/j.wombi.2019.02.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 02/14/2019] [Accepted: 02/14/2019] [Indexed: 11/28/2022]
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24
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Giles ML, Cheng AC. Regulatory agencies have a role to play in maintaining consumer confidence in vaccine safety for pregnant women. Hum Vaccin Immunother 2020; 16:2573-2576. [PMID: 32078437 PMCID: PMC7644227 DOI: 10.1080/21645515.2020.1718976] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Affiliation(s)
- Michelle L Giles
- Department of Obstetrics and Gynaecology, Monash University , Melbourne, Australia.,Infectious Diseases Unit, Alfred Health , Melbourne, Australia
| | - Allen C Cheng
- Central Clinical School, Monash University , Melbourne, Australia.,School of Public Health and Preventive Medicine, Monash University , Melbourne, Australia
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Midwives' knowledge, attitudes and confidence in discussing maternal and childhood immunisation with parents: A national study. Vaccine 2020; 38:366-371. [PMID: 31628030 DOI: 10.1016/j.vaccine.2019.10.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 10/01/2019] [Accepted: 10/01/2019] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Despite the enormous benefits of childhood and maternal immunisation to individual and population health, the uptake of maternal vaccines during pregnancy remains suboptimal. Midwives are a trusted information source for parents and play an important role in the provision of immunisation information. Understanding midwives' attitudes and vaccine knowledge, along with their confidence to discuss maternal and childhood immunisation with parents, is key to reducing parental decisional conflict and achieving immunisation goals. METHODS An online study was conducted to investigate midwives' knowledge and attitudes towards maternal and childhood vaccination along with their confidence to answer parents' vaccine-related questions. Midwives were recruited by email via the midwifery peek body, the Australian College of Midwives. RESULTS A total of 359 midwives completed the online survey. The majority of midwives supported maternal (influenza 83%, pertussis 90.5%) and childhood immunisation (85.8%); however, 69.4% of respondents wanted further training about immunisation. Midwives who felt their midwifery education adequately covered immunisation were more confident advising parents about maternal (p = 0.007) and childhood immunisation (p < 0.001). Similarly, Midwives were significantly more likely to confidently advise parents about maternal (p < 0.001) and childhood immunisations (p < 0.001) if they had completed a specific immunisation training course outside of their midwifery course. CONCLUSION Most midwives working in Australia support vaccination. However, access to contemporary, culturally appropriate education that enables midwives to engage confidently with parents about immunisation is lacking. Education based on a women-centred approach within the pre-registration curriculum along with continuing professional development programs could enable midwives to reduce the evidence to practice gap by increasing vaccine uptake.
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Janagaraj PD, Gurusamy PSR, Webby R. Gaps in maternal influenza vaccine uptake in Northern Territory: A need for a year-round influenza vaccination campaign. ACTA ACUST UNITED AC 2019; 43. [PMID: 31738867 DOI: 10.33321/cdi.2019.43.49] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Introduction Maternal influenza vaccination was introduced in 2010 due to the high morbidity and mortality associated with influenza in pregnancy. The aim of this study was to assess the maternal influenza vaccination uptake in Northern Territory public hospitals and identify gaps to improve uptake. Methods Birth data from Northern Territory (NT) public hospitals obtained from the Perinatal Register for deliveries in 2016 were merged with vaccination records from the NT immunisation register. Results There were 3,392 viable pregnancies in NT public hospitals in 2016 with 45.6% vaccination coverage against influenza. There was a statistically significant difference in coverage with 68.5% in Indigenous vs 31.7% in non-Indigenous deliveries (p < 0.001), yielding an odds ratio of 4.67 (95% CI 4.02, 5.42) for maternal influenza vaccination across Indigenous status. Influenza vaccination coverage for preterm births (< 37 weeks) was low especially in non-Indigenous mothers at 27.2% vs 65.05% in Indigenous mothers (p < 0.001). A distinct immunisation administration pattern was noted for 2016 with 58.9% of vaccinations occurring between April and June regardless of Indigenous status and maternal gestational age. This correlated with the annual influenza immunisation campaign by the NT and Commonwealth. Conclusion A year-round maternal influenza vaccination campaign is crucial to avoid missed opportunities and increase vaccination protection for mother and baby. Antenatal influenza vaccination campaign with health care workers education and increasing patient awareness should continue throughout the year.
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Affiliation(s)
| | | | - Rosalind Webby
- NT Centre for Disease Control (CDC), Northern Territory Australia
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Regan AK, Håberg SE, Fell DB. Current Perspectives on Maternal Influenza Immunization. CURRENT TROPICAL MEDICINE REPORTS 2019. [DOI: 10.1007/s40475-019-00188-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Carlson SJ, Scanlan C, Marshall HS, Blyth CC, Macartney K, Leask J. Attitudes about and access to influenza vaccination experienced by parents of children hospitalised for influenza in Australia. Vaccine 2019; 37:5994-6001. [PMID: 31471153 DOI: 10.1016/j.vaccine.2019.08.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 07/23/2019] [Accepted: 08/15/2019] [Indexed: 12/16/2022]
Abstract
INTRODUCTION In Australia, influenza hospitalises more children than any other vaccine preventable disease does. Children aged six months or older are recommended to receive annual influenza vaccines, and pregnant women are recommended vaccination to protect infants aged up to six months. However, vaccine uptake is low. This study explored influenza vaccination knowledge and behaviours of parents of children who were hospitalised for influenza, in order to inform strategies that target barriers to uptake. METHODS We conducted 27 semi-structured interviews with parents/caregivers during or shortly after their child's hospitalisation for laboratory-confirmed influenza in 2017. Questions were guided by the Social Ecological Model exploring all levels of influence on vaccination uptake from the intrapersonal through to policy, via the parents' perspective. Transcripts were inductively analysed. Themes were categorised into the components of the Capability-Opportunity-Motivation-Behaviour (COM-B) model. RESULTS 20/27 children were aged six months or older; 16/20 had not received an influenza vaccine in 2017. Mothers of 4/7 infants aged less than six months were not vaccinated in pregnancy. The themes regarding barriers to influenza vaccination were: (1) Limited Capability - misinterpretations and knowledge gaps, (2) Lack of Opportunity - inconvenient vaccination pathway, missing recommendations, absence of promotion to all, and the social norm, and (3) Missing Motivation - hierarchy of perceived seriousness, safety concerns, a preference for 'natural' ways. Though most parents, now aware of the severity of influenza, intended to vaccinate their child in future seasons, some harboured reservations about necessity and safety. When parents were asked how to help them vaccinate their children, SMS reminders and information campaigns delivered through social media, schools and childcare were suggested. CONCLUSION Improving parents' and providers' knowledge and confidence in influenza vaccination safety, efficacy, and benefits should be prioritised. This, together with making influenza vaccination more convenient for parents, would likely raise vaccine coverage.
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Affiliation(s)
- Samantha J Carlson
- The University of Sydney, School of Public Health, Sydney, New South Wales 2006, Australia.
| | - Camilla Scanlan
- National Centre for Immunisation Research and Surveillance, Westmead, New South Wales 2145, Australia; The University of Sydney, Sydney Health Ethics, Sydney, NSW 2006, Australia.
| | - Helen S Marshall
- Robinson Research Institute and Adelaide Medical School, University of Adelaide and Women's and Children's Health Network, Adelaide, South Australia 5006, Australia.
| | - Christopher C Blyth
- Discipline of Paediatrics, School of Medicine and Wesfarmers Centre of Vaccines and Infectious Diseases, Telethon Kids Institute, University of Western Australia, GPO Box D184, Perth, Western Australia 6840, Australia; Perth Children's Hospital, Hospital Avenue, Nedlands, Western Australia 6009, Australia.
| | - Kristine Macartney
- National Centre for Immunisation Research and Surveillance, Westmead, New South Wales 2145, Australia; The University of Sydney, Discipline of Child and Adolescent Health, Sydney, New South Wales 2006, Australia.
| | - Julie Leask
- The University of Sydney, Susan Wakil School of Nursing and Midwifery, 88 Mallett St, Camperdown, New South Wales 2006, Australia.
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Alessandrini V, Anselem O, Girault A, Mandelbrot L, Luton D, Launay O, Goffinet F. Does the availability of influenza vaccine at prenatal care visits and of immediate vaccination improve vaccination coverage of pregnant women? PLoS One 2019; 14:e0220705. [PMID: 31369626 PMCID: PMC6675112 DOI: 10.1371/journal.pone.0220705] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 07/22/2019] [Indexed: 12/02/2022] Open
Abstract
Introduction Although vaccination against influenza is recommended for pregnant women in France because it exposes them to a risk of death and severe respiratory complications, their vaccination coverage in 2016 was estimated at 7%. This study's principal objective was to assess the association between the availability of influenza vaccination at prenatal care visits and vaccination coverage. Material and methods This multicenter survey took place in 3 Paris-area public hospital (AP-HP) maternity wards (A, B, and C). Only maternity ward A offered the vaccine and vaccination without charge at prenatal visits. Data were collected from parturients during 10 days in January 2017 by a self-administered anonymous questionnaire. Results Data from 248 women showed overall vaccination coverage of 19.4% (48/248): 35.4% (46/130) in maternity unit A, 2.7% (2/75) in B, and 0% (0/43) in C (P<0.01). After adjustment for socio-demographic characteristics, women at maternity ward A were significantly more likely to be vaccinated than those at B and C (aOR 25.52, 95%CI [5.76–113.10]). Other factors significantly associated with higher vaccination coverage were the mother’s French birth (aOR 2.37 CI [1.03–5.46]) and previous influenza vaccination (aOR 3.13, 95%CI [1.25–7.86]). Vaccinated women generally considered they had received adequate information (aOR 4.15 CI [2.10–8.22]), principally from the professional providing their prenatal care. Nonvaccination was attributed to the absence of an offer of vaccination (81.5%), fear of fetal side effects (59.5%), and inadequate information (51.4%). Conclusion Our results show that availability of influenza vaccination, free of charge, at prenatal consultations at the maternity ward increases vaccination coverage significantly.
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Affiliation(s)
- Vivien Alessandrini
- Maternité Port-Royal, Université Paris Descartes, Groupe hospitalier Cochin Broca Hôtel-Dieu, Assistance Publique-Hôpitaux de Paris, Paris, France
- DHU Risques et Grossesse, PRES Sorbonne Paris Cité, Paris, France
- * E-mail:
| | - Olivia Anselem
- Maternité Port-Royal, Université Paris Descartes, Groupe hospitalier Cochin Broca Hôtel-Dieu, Assistance Publique-Hôpitaux de Paris, Paris, France
- DHU Risques et Grossesse, PRES Sorbonne Paris Cité, Paris, France
| | - Aude Girault
- Maternité Port-Royal, Université Paris Descartes, Groupe hospitalier Cochin Broca Hôtel-Dieu, Assistance Publique-Hôpitaux de Paris, Paris, France
- DHU Risques et Grossesse, PRES Sorbonne Paris Cité, Paris, France
| | - Laurent Mandelbrot
- DHU Risques et Grossesse, PRES Sorbonne Paris Cité, Paris, France
- Maternité Louis-Mourier, Université Diderot Paris 7, Hôpitaux Universitaires Paris Nord Val-de-Seine, Assistance Publique Hôpitaux de Paris, Colombes, France
| | - Dominique Luton
- DHU Risques et Grossesse, PRES Sorbonne Paris Cité, Paris, France
- Maternité Bichat-Claude Bernard, Université Diderot Paris 7, Hôpitaux Universitaires Paris Nord Val-de-Seine, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Odile Launay
- DHU Risques et Grossesse, PRES Sorbonne Paris Cité, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Inserm, CIC 1417, AP-HP, Groupe Hospitalier Cochin-Broca-Hôtel-Dieu, Centre d’investigation Clinique Cochin-Pasteur,Paris, France
| | - François Goffinet
- Maternité Port-Royal, Université Paris Descartes, Groupe hospitalier Cochin Broca Hôtel-Dieu, Assistance Publique-Hôpitaux de Paris, Paris, France
- DHU Risques et Grossesse, PRES Sorbonne Paris Cité, Paris, France
- Unité INSERM U953, Recherche épidémiologique en santé périnatale et santé des femmes et des enfants, UPMC, Paris, France
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Are social inequalities in influenza vaccination coverage in Japan reduced by health policy? Prev Med Rep 2019; 16:100959. [PMID: 31440442 PMCID: PMC6698771 DOI: 10.1016/j.pmedr.2019.100959] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 07/05/2019] [Accepted: 07/17/2019] [Indexed: 11/11/2022] Open
Abstract
Influenza vaccination is effective to prevent influenza infection. However, findings about association between socioeconomic status and influenza vaccination coverage are controversial. Online survey was conducted among 4995 participants between 20 and 69 years of age throughout Japan, January 2017. We asked about history of receiving vaccination in previous year and socioeconomic status, with their reasons for having vaccination or not. Age stratified multivariable logistic regression model was conducted to estimate the odds ratio (ORs) and 95% confidence intervals (CIs) of receiving vaccine for each educational level and income. Sex, self-reported health status, marital status and income were included as covariates. The rate for receiving influenza vaccine among ≤64 year-olds and ≥65 year-olds was 32.9% and 35.4%, respectively. Among younger adults, vaccination varied by each education: junior high school, 23.6%; senior high school, 27.2%; college, 32.6%; university, 36.2%; and graduate school, 39.8%. Compared to junior high school, those from graduate school tended to be more vaccinated (OR1.88, 95%CI 1.07–3.24). On the contrary, those aged above ≥65 years old received vaccination with no significant differences across education. Likewise, among respondents aged ≤64 year-olds, income was significantly associated with influenza vaccination. Despite being “Managed by school or company” (32.5%), having “No particular reason” was the frequent reason for both receiving influenza vaccination (23.8%) or not (34.3%). Adults with higher educational level were significantly more likely to receive vaccination. Subsidizing influenza vaccination may reduce inequality in receiving vaccination for adults. Strengthening vaccination through various approaches is necessary, such as managing by school or company.
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Sarna M, Andrews R, Moore H, Binks MJ, McHugh L, Pereira GF, Blyth CC, Van Buynder P, Lust K, Effler P, Lambert SB, Omer SB, Mak DB, Snelling T, D'Antoine HA, McIntyre P, de Klerk N, Foo D, Regan AK. 'Links2HealthierBubs' cohort study: protocol for a record linkage study on the safety, uptake and effectiveness of influenza and pertussis vaccines among pregnant Australian women. BMJ Open 2019; 9:e030277. [PMID: 31227542 PMCID: PMC6596983 DOI: 10.1136/bmjopen-2019-030277] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
INTRODUCTION Pregnant women and infants are at risk of severe influenza and pertussis infection. Inactivated influenza vaccine (IIV) and diphtheria-tetanus-acellular pertussis vaccine (dTpa) are recommended during pregnancy to protect both mothers and infants. In Australia, uptake is not routinely monitored but coverage appears sub-optimal. Evidence on the safety of combined antenatal IIV and dTpa is fragmented or deficient, and there remain knowledge gaps of population-level vaccine effectiveness. We aim to establish a large, population-based, multi-jurisdictional cohort of mother-infant pairs to measure the uptake, safety and effectiveness of antenatal IIV and dTpa vaccines in three Australian jurisdictions. This is a first step toward assessing the impact of antenatal vaccination programmes in Australia, which can then inform government policy with respect to future strategies in national vaccination programmes. METHODS AND ANALYSIS: 'Links2HealthierBubs' is an observational, population-based, retrospective cohort study established through probabilistic record linkage of administrative health data. The cohort includes births between 2012 and 2017 (~607 605 mother-infant pairs) in jurisdictions with population-level antenatal vaccination and health outcome data (Western Australia, Queensland and the Northern Territory). Perinatal data will be the reference frame to identify the cohort. Jurisdictional vaccination registers will identify antenatal vaccination status and the gestational timing of vaccination. Information on maternal, fetal and child health outcomes will be obtained from hospitalisation and emergency department records, notifiable diseases databases, developmental anomalies databases, birth and mortality registers. ETHICS AND DISSEMINATION Ethical approval was obtained from the Western Australian Department of Health, Curtin University, the Menzies School of Health Research, the Royal Brisbane and Women's Hospital, and the West Australian Aboriginal Health Ethics Committees. Research findings will be disseminated in peer-reviewed journals, at scientific meetings, and may be incorporated into communication materials for public health agencies and the public.
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Affiliation(s)
- Mohinder Sarna
- School of Public Health, Curtin University, Perth, Western Australia, Australia
| | - Ross Andrews
- Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
- National Centre for Epidemiology and Population Health, Australian National University, Canberra, Australian Capital Territory, Australia
| | - Hannah Moore
- School of Public Health, Curtin University, Bentley, Western Australia, Australia
- Wesfarmers Centre of Vaccines & Infectious Diseases, Telethon Kids Institute, Nedlands, Western Australia, Australia
| | - Michael J Binks
- Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
| | - Lisa McHugh
- Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
| | - Gavin F Pereira
- School of Public Health, Curtin University, Perth, Western Australia, Australia
| | - Christopher C Blyth
- Wesfarmers Centre of Vaccines & Infectious Diseases, Telethon Kids Institute, Nedlands, Western Australia, Australia
- Perth Children's Hospital, Perth, Western Australia, Australia
| | | | - Karin Lust
- Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
| | - Paul Effler
- Communicable Disease Control Directorate, Department of Health Government of Western Australia, Perth, Western Australia, Australia
| | - Stephen B Lambert
- Child Health Research Centre, The University of Queensland, Brisbane, Queensland, Australia
| | - Saad B Omer
- Rollins School of Public Health, Emory University, Atlanta, Georgia, United States of America
| | - Donna B Mak
- Communicable Disease Control Directorate, Department of Health Government of Western Australia, Perth, Western Australia, Australia
- Notre Dame University, Perth, Western Australia, Australia
| | - Thomas Snelling
- Princess Margaret Hospital for Children, Perth, Western Australia, Australia
- Wesfarmers Centre of Vaccines & Infectious Diseases, Telethon Kids Institute, Perth, Western Australia, Australia
- School of Public Health, Curtin University, Bentley, Western Australia, Australia
- Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
| | - Heather A D'Antoine
- Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
| | - Peter McIntyre
- National Centre for Immunisation Research and Surveillance, Sydney, New South Wales, Australia
| | - Nicholas de Klerk
- Telethon Kids Institute, West Perth, Western Australia, Australia
- The University of Western Australia, Perth, Western Australia, Australia
| | - Damien Foo
- School of Public Health, Curtin University School of Public Health, Perth, Western Australia, Australia
| | - Annette K Regan
- School of Public Health, Curtin University School of Public Health, Perth, Western Australia, Australia
- School of Public Health, Texas A&M University, College Station, Texas, United States of America
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Perth, Western Australia, Australia
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Kaufman J, Attwell K, Hauck Y, Omer SB, Danchin M. Vaccine discussions in pregnancy: interviews with midwives to inform design of an intervention to promote uptake of maternal and childhood vaccines. Hum Vaccin Immunother 2019; 15:2534-2543. [PMID: 31124728 PMCID: PMC6930050 DOI: 10.1080/21645515.2019.1607131] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 03/21/2019] [Accepted: 04/06/2019] [Indexed: 01/06/2023] Open
Abstract
Presumptive and Motivational Interviewing communication styles have successfully promoted childhood and adolescent vaccination to parents, but less is known about effective communication approaches during pregnancy to promote maternal vaccination and childhood vaccines. In Australian public antenatal settings, midwives provide a substantial proportion of care and are highly accessed and trusted sources of vaccine information for expectant parents. However, there are no evidence-based interventions incorporating communication strategies and resources for midwives to optimize discussions and promote acceptance of maternal and childhood vaccines. This study aimed to gather qualitative data from midwives to inform the design of a feasible and acceptable vaccine communication intervention package building on an evidence-based model utilized with US obstetricians. We explored midwives' attitudes and values regarding maternal and childhood vaccination, their perceived role in vaccine advocacy and delivery, and barriers and enablers to implementation of a potential communication intervention. We recruited 12 midwives for semi-structured interviews at two Australian tertiary public hospitals (one with antenatal vaccines onsite, one without). Interviews were analyzed using thematic template analysis. Midwives supported vaccination but expressed varied views regarding its centrality to their role. Most reported receiving minimal or no training on vaccine communication. Their communication practices focused primarily on vaccine information provision rather than persuasion, although some midwives shared personal views and actively encouraged vaccination. More vaccine and communication training and resources were requested. Findings highlight the need for communication tools that align with midwifery standards for practice to support midwives to address parents' questions and concerns about maternal and childhood vaccines.
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Affiliation(s)
- Jessica Kaufman
- Vaccine and Immunisation Research Group (VIRGo), Murdoch Children‘s Research Institute, Parkville, Australia
- Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, Australia
| | - Katie Attwell
- School of Social Sciences, University of Western Australia, Perth, Australia
- Wesfarmers Centre of Vaccines and Infectious Diseases, Telethon Kids Institute, Nedlands, Australia
- Telethon Kids
| | - Yvonne Hauck
- School of Nursing, Midwifery & Paramedicine, Curtin University, Perth, Australia
- Department of Nursing and Midwifery Education and Research, King Edward Memorial Hospital, Subiaco, Australia
| | - Saad B. Omer
- Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Margie Danchin
- Vaccine and Immunisation Research Group (VIRGo), Murdoch Children‘s Research Institute, Parkville, Australia
- Telethon Kids
- Department of General Medicine, The Royal Children‘s Hospital, Parkville, Australia
- Department of Paediatrics and School of Population and Global Health, University of Melbourne, Melbourne, Australia
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Regan A, Effler PV, Thomson C, Mak DB. Potential use of Western Australia’s mandatory Midwives Notification System for routinely monitoring antenatal vaccine coverage. Commun Dis Intell (2018) 2019. [DOI: 10.33321/cdi.2019.43.21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background
Despite the maternal and infant health benefits of antenatal vaccines and availability of government-funded vaccination programs, Australia does not have a national system for routinely monitoring antenatal vaccination coverage. We evaluated the potential use of Western Australia’s mandatory Midwives Notification System (MNS) as a tool for routinely monitoring antenatal vaccination coverage.
Methods
Two hundred and sixty-eight women who gave birth to a live infant between August and October 2016 participated in a telephone survey of vaccines received in their most recent pregnancy. For women who reported receiving influenza and/or pertussis vaccine and whose vaccination status was documented by their vaccine provider, MNS vaccination data were compared with the vaccine provider’s record as the ‘gold standard.’ For women who reported receiving no vaccines, MNS vaccination data were compared with self-reported information.
Results
Influenza and pertussis vaccination status was complete (i.e. documented as either vaccinated or not vaccinated) for 66% and 63% of women, respectively. Sensitivity of MNS influenza vaccination data was 65.7% (95% CI 56.0-74.2%) and specificity was 53.0% (95% CI 42.4-63.4%). Sensitivity of MNS pertussis vaccination data was 62.5% (95% CI 53.3-70.9%) and specificity was 40.4% (95% CI 27.6-54.7%). There was no difference between vaccinated and unvaccinated women in the proportion of MNS records with missing or unknown vaccination information. When considering only MNS records with complete vaccination information, the sensitivity of the MNS influenza vaccination field was 91.8% (95% CI 83.0-96.9%) and the sensitivity of the MNS pertussis vaccination field was 88.0% (95% CI 76.7-95.5%).
Conclusion
Due to the high proportion of records with missing or unknown vaccination status, we observed low sensitivity and specificity of antenatal vaccination data in the MNS. However, given we did not observe differential ascertainment by vaccination status, MNS records with complete information may be reliable data source for routinely monitoring antenatal vaccine coverage.
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Affiliation(s)
- Annette Regan
- 1-School of Public Health, Curtin University 2-Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute 3-School of Public Health, Texas A&M University
| | - Paul V Effler
- 1-Communicable Disease Control Directorate, Department of Health Western Australia 2- School of Pathology and Laboratory Medicine, University of Western Australia
| | - Chloe Thomson
- 1-Communicable Disease Control Directorate, Department of Health Western Australia 2-School of Population and Global Health, University of Western Australia
| | - Donna B Mak
- 1-Communicable Disease Control Directorate, Department of Health Western Australia 2- School of Medicine, University of Notre Dame
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Wang J, Sun D, Abudusaimaiti X, Vermund SH, Li D, Hu Y. Low awareness of influenza vaccination among pregnant women and their obstetricians: a population-based survey in Beijing, China. Hum Vaccin Immunother 2019; 15:2637-2643. [PMID: 30932729 DOI: 10.1080/21645515.2019.1596713] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
We assessed how an awareness of influenza vaccination might influence both the willingness of pregnant women to be vaccinated and the readiness of obstetricians to recommend antenatal influenza vaccination in Beijing, China. From March to April 2016, we surveyed pregnant women who were attending antenatal clinics at eight hospitals in Beijing, along with obstetricians at the same clinics. Demographic, attitudinal, and behavioral information regarding influenza vaccination were collected using structured questionnaires. Consent and completed questionnaires were obtained from 988 of 1009 pregnant women and 165 of 173 obstetricians. Only 113 (11.4%) pregnant women reported being willing to receive an influenza vaccine during their pregnancies. Willingness to receive an influenza vaccination was positively associated with ever having a history of vaccination or influenza (aOR=6.74, 95%CI: 1.72-26.4, P=0.006), perceiving benefits of vaccination (aOR=1.67, 95%CI: 1.00-2.79, P=0.050), and having a higher level of influenza knowledge (aOR=82.2, 95%CI: 21.7-311.1, P<0.001). Among obstetricians, only 19.4% reported being willing to recommend influenza vaccination to their pregnant patients and 15.2% reported knowledge that influenza vaccination during pregnancy was recommended by China's National Health Commission. Neither pregnant women nor their obstetricians were aware of Chinese government recommendations that antenatal influenza vaccination should be encouraged and provided. Pregnant women and their obstetricians were ill-informed of the relevant evidence. It is in emergent need to train and disseminate the updated evidence on influenza vaccination to obstetricians. It also warranted more high-quality trials regarding influenza vaccination during pregnancy to address public concern.
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Affiliation(s)
- Jing Wang
- Department of infectious diseases and endemic diseases prevention, Chaoyang District Center for Disease Prevention and Control, Beijing, China
| | - Dianqin Sun
- Department of Child, Adolescent Health and Maternal Health, School of Public Health, Capital Medical University, Beijing, China
| | - Xiayidanmu Abudusaimaiti
- Department of Child, Adolescent Health and Maternal Health, School of Public Health, Capital Medical University, Beijing, China
| | - Sten H Vermund
- Yale School of Public Health, Yale University, New Haven, CT, USA
| | - Dongliang Li
- Programme management office, Chaoyang District Center for Disease Prevention and Control, Beijing, China
| | - Yifei Hu
- Department of Child, Adolescent Health and Maternal Health, School of Public Health, Capital Medical University, Beijing, China
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Vilca LM, Martínez C, Burballa M, Campins M. Maternal Care Providers' Barriers Regarding Influenza and Pertussis Vaccination During Pregnancy in Catalonia, Spain. Matern Child Health J 2019; 22:1016-1024. [PMID: 29417364 DOI: 10.1007/s10995-018-2481-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Objective Maternal care providers (MCPs), obstetrician-gynaecologists and midwives are uniquely placed to increase maternal vaccination acceptance. We aimed to assess their knowledge, attitudes and practices regarding influenza and pertussis vaccination during pregnancy. Methods We conducted an online survey among MCPs working at "Attention to Sexual and Reproductive Health" (ASSIR) Units in Catalonia region. The survey included questions about current recommendations of influenza and pertussis immunization during pregnancy, reasons for not routinely recommending vaccination and several strategies to increase vaccination uptake. Results A total of 194 MCPs completed the survey, 178 (91.8%) were female and 145 (70%) were midwives. Only 61 (31.4%) stated they vaccinated themselves annually against influenza with a significant lower uptake among midwives (26.9%) than obstetrician-gynaecologists (44.9%) (p = 0.03). Overall, 53.6% of MCPs knew influenza vaccine was indicated during first trimester but only 43.3% stated they prescribed it. Almost all MCPs (98.5%) knew pertussis vaccine was recommended and 97.4% stated they prescribed it. The most important vaccination barrier found was the concern related to vaccine adverse events (25.9%) and more midwives than obstetrician-gynaecologists expressed this concern (30.8 vs. 10%) (p = 0.02). The most popular strategies were: including vaccine recommendations in the pregnancy booklet (93.8%) and receiving vaccination training (92.3%). In the adjusted analysis, the only factor significantly associated with MCPs' prescription of influenza vaccine during second/third trimester was having been vaccinated themselves (odds ratio 3.70, 95% confidence interval 1.3-13.2). Conclusions for Practice Implementation of practical tools, continuous training and clear definition of responsibilities regarding vaccination among MCPs may have a significant impact on maternal vaccination coverage.
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Affiliation(s)
- Luz Maria Vilca
- Servei de Medicina Preventiva i Epidemiologia, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain.
| | - Cristina Martínez
- Atenció a la Salut Sexual i Reproductiva Barcelona Ciutat, Àmbit d'Atenció Primària, Institut Català de la Salut, Avinguda Meridiana 428, 7a pl, 08030, Barcelona, Spain
| | - Miriam Burballa
- Atenció a la Salut Sexual i Reproductiva Barcelona Ciutat, Àmbit d'Atenció Primària, Institut Català de la Salut, Avinguda Meridiana 428, 7a pl, 08030, Barcelona, Spain
| | - Magda Campins
- Servei de Medicina Preventiva i Epidemiologia, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
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Rodríguez-Blanco N, Tuells J, Vila-Candel R, Nolasco A. Adherence and Concordance of Influenza and Pertussis Vaccination Coverage in Pregnant Women in Spain. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16040543. [PMID: 30769767 PMCID: PMC6406959 DOI: 10.3390/ijerph16040543] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 01/31/2019] [Accepted: 02/10/2019] [Indexed: 01/11/2023]
Abstract
Background: Pregnant women should receive two vaccines during pregnancy due to maternal-foetal complications and risks as well as the influenza and pertussis vaccinations. The goal was to evaluate vaccination coverage against influenza and pertussis in pregnant women, following midwife professional advice during the pregnancy follow-up; Methods: Prospective cohort study of 1017 pregnancies during the vaccination campaign in 2015⁻2016. To estimate the degree of consistency between the coverage declared by mothers and that registered in the Nominal Vaccination Registry (NVR), we used the Cohen's kappa index (k); Results: 95.4% were registered in the NVR. Vaccination coverage recorded against influenza was 64.2% (95% CI: 61.2⁻67.2), and 89.8% (95% CI: 87.9⁻91.7) against pertussis. The coverage of the pregnant women interviewed was 61.7% (95% CI: 58.1⁻67.3)) for influenza and 92.3% (95% CI: 91.4⁻95.3) for pertussis. Subsequent interviews of 67.2% of the women produced a kappa agreement index between the data obtained from interviews and those recorded in the NVR of 0.974 (IC95%: 98.0⁻99.6) for influenza, and 0.921 (IC95%: 98.1⁻99.7) for pertussis. The women identified midwives as the main source of vaccination information and advice 88.4% (IC95%: 85.8⁻90.9); Conclusions: The NVR is an effective platform for estimating immunisation coverage in pregnant women. The degree of agreement between declared vaccinations and registered vaccinations was high for both vaccines.
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Affiliation(s)
- Noelia Rodríguez-Blanco
- Department of Obstetrics and Gynaecology, Hospital Universitario del Vinalopó, Spain C/Tonico Sansano Mora, 14, 03293 Elche, Spain.
- Department of Nursing Universidad CEU Cardenal Herrera, Plaza Reyes Católicos, 19, 03204 Elche, Spain.
| | - José Tuells
- Cátedra Balmis Vacunología, University of Alicante, Campus de San Vicente Raspeig, Ap.99, E-03080 Alicante, Spain.
| | - Rafael Vila-Candel
- Department of Obstetrics and Gynaecology, Hospital Universitario de la Ribera, FISABIO, Spain, Crta. Corbera km 1, 46600 Valencia, Spain.
| | - Andreu Nolasco
- Unidad Mixta de Investigación para el Análisis de las Desigualdades en Salud y la Mortalidad FISABIO-UA, Departament of Community Health, Preventive Medicine and Public Health, and Science's History, University of Alicante, Carretera de San Vicente del Raspeig s/n, 03690 Alicante, Spain.
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Mak DB, Regan AK, Vo DT, Effler PV. Antenatal influenza and pertussis vaccination in Western Australia: a cross-sectional survey of vaccine uptake and influencing factors. BMC Pregnancy Childbirth 2018; 18:416. [PMID: 30355329 PMCID: PMC6201540 DOI: 10.1186/s12884-018-2051-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 10/10/2018] [Indexed: 03/04/2023] Open
Abstract
Background Influenza and pertussis vaccines have been recommended in Australia for women during each pregnancy since 2010 and 2015, respectively. Estimating vaccination coverage and identifying factors affecting uptake are important for improving antenatal immunisation services. Methods A random sample of 800 Western Australian women ≥18 years of age who gave birth between 4th April and 4th October 2015 were selected. Of the 454 (57%) who were contactable by telephone, 424 (93%) completed a survey. Data were weighted by maternal age and area of residence to ensure representativeness. The proportion immunised against influenza and pertussis was the main outcome measure; multivariate logistic regression was used to identify factors significantly associated with antenatal vaccination. Results from the 2015 study were compared to similar surveys conducted in 2012–2014. Results In 2015, 71% (95% CI 66–75) of women received pertussis-containing vaccine and 61% (95% CI 56–66) received influenza vaccine during pregnancy; antenatal influenza vaccine coverage was 18% higher than in 2014 (43%; 95% CI: 34–46). Pertussis and influenza vaccine were co-administered for 68% of the women who received both vaccines. The majority of influenza vaccinations in 2015 were administered during the third trimester of pregnancy, instead of the second trimester, as was observed in prior years. Women whose care provider recommended both antenatal vaccinations had significantly higher odds of being vaccinated against both influenza and pertussis (OR 33.3, 95% CI: 15.15–73.38). Of unvaccinated mothers, 53.6% (95% CI: 45.9–61.3) and 78.3% (95% CI: 70.4–85.3) reported that they would have been vaccinated against influenza and pertussis, respectively, if their antenatal care provider had recommended it. Conclusions Pertussis vaccination coverage was high in the first year of an antenatal immunisation program in Western Australia. Despite a substantial increase in influenza vaccination uptake between 2014 and 2015, coverage remained below that for pertussis. Our data suggest influenza and pertussis vaccination rates of 83% and 94%, respectively, are achievable if providers were to recommend them to all pregnant women.
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Affiliation(s)
- Donna B Mak
- Communicable Disease Control Directorate, Department of Health, Shenton Park, Western Australia. .,School of Medicine, University of Notre Dame, Fremantle, Western Australia.
| | - Annette K Regan
- Communicable Disease Control Directorate, Department of Health, Shenton Park, Western Australia.,School of Public Health, Curtin University, Bentley, Western Australia
| | - Dieu T Vo
- Communicable Disease Control Directorate, Department of Health, Shenton Park, Western Australia.,School of Population Health, University of Western Australia, Crawley, Western Australia
| | - Paul V Effler
- Communicable Disease Control Directorate, Department of Health, Shenton Park, Western Australia.,School of Pathology and Laboratory Medicine, University of Western Australia, Crawley, Western Australia
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A Systematic Review of Barriers to Vaccination During Pregnancy in the Canadian Context. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2018; 41:1344-1355. [PMID: 30361161 DOI: 10.1016/j.jogc.2018.05.042] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 05/24/2018] [Accepted: 05/24/2018] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Although vaccination in pregnancy has the potential to affect maternal and infant morbidity and mortality dramatically, uptake of recommended vaccinations in pregnancy remains low. The objective of this study was to identify barriers and facilitators of vaccination during pregnancy in Canada. METHODS The Medline database and the tables of contents of four relevant Canadian journals were screened to identify all studies that considered barriers and/or facilitators to vaccination during pregnancy, specifically in Canadian settings. Citations were screened, and a narrative synthesis of findings was undertaken given the heterogeneity of study design. RESULTS In total, 17 studies met inclusion criteria, most with a focus on the seasonal and pandemic influenza vaccines. Facilitators and barriers were identified at the level of the patient and the provider. At both levels, knowledge was an important facilitator of vaccine acceptance during pregnancy and was notably improved in studies following the 2009 pandemic H1N1 influenza outbreak compared with earlier studies. Vaccine endorsement by a prenatal care provider and clear messages of safety for the fetus emerged as key motivators. Few studies addressed system-level barriers or interventions for improving vaccine uptake during pregnancy in the Canadian setting. CONCLUSION Common themes have emerged from the Canadian literature addressing barriers and facilitators of vaccination during pregnancy. However, there is a paucity of literature to suggest strategies to improve the uptake of vaccination during pregnancy in Canadian settings. Further research is urgently needed given the expanding role of vaccination during routine prenatal care.
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Krishnaswamy S, Wallace EM, Buttery J, Giles ML. A study comparing the practice of Australian maternity care providers in relation to maternal immunisation. Aust N Z J Obstet Gynaecol 2018; 59:408-415. [PMID: 30191552 DOI: 10.1111/ajo.12888] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Accepted: 07/30/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND Women's decisions regarding vaccination during pregnancy are heavily influenced by maternity care provider (MCP) recommendations. Understanding why MCPs may not recommend vaccination is central to improving vaccination rates. AIMS To examine the knowledge, attitudes and practice of Australian MCPs to maternal vaccination. METHODS We surveyed obstetricians, midwives and general practitioners (GPs) between September and November 2016. Providers were asked about their knowledge and current practice, and about their perceived roles in discussing and administering maternal vaccinations. RESULTS Eight hundred and seventy surveys were completed. Each MCP group believed they had the primary responsibility for discussing vaccinations but all groups perceived GPs as primarily responsible for administering vaccines. More midwives had concerns about safety (21/129, 16%) than obstetricians (9/359, 3%) and GPs (7/326, 2%) (P < 0.001). Overall, 83% of MCPs recommended diphtheria-tetanus-acellular pertussis vaccination (dTpa) and 78% inactivated influenza vaccination (IIV) according to guidelines, with no differences between groups. Overall 77% provided dTpa onsite (GPs 99%, midwives 70%, obstetricians 60%, P < 0.001) and 71% provided IIV (GPs 99%, midwives 48%, obstetricians 54%, P < 0.001). Factors associated with recommending vaccination in accordance with guidelines and providing vaccination onsite were similar across groups: personal history of vaccination, confidence in vaccine knowledge, and awareness of recommendations for and belief in the safety of maternal dTpa. CONCLUSIONS Among MCPs, the rates of recommending and providing maternal vaccination were higher than previously reported. Further improvements might be expected with increased awareness of guidelines, further education around vaccine safety, and by changing perceptions of the role of obstetricians and midwives in providing maternal vaccinations.
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Affiliation(s)
- Sushena Krishnaswamy
- The Ritchie Centre, Department of Obstetrics and Gynaecology, Monash University, Melbourne, Australia.,Department of Infectious Diseases, Monash Health, Melbourne, Australia
| | - Euan M Wallace
- The Ritchie Centre, Department of Obstetrics and Gynaecology, Monash University, Melbourne, Australia.,Safer Care Victoria, Victorian Department of Health and Human Services, Melbourne, Australia
| | - Jim Buttery
- The Ritchie Centre, Department of Obstetrics and Gynaecology, Monash University, Melbourne, Australia.,Infection and Immunity, Monash Children's Hospital, Melbourne, Australia.,Monash Centre for Health Research and Implementation, Monash University, Melbourne, Australia
| | - Michelle L Giles
- The Ritchie Centre, Department of Obstetrics and Gynaecology, Monash University, Melbourne, Australia.,Department of Infectious Diseases, The Alfred Hospital, Melbourne, Australia
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Maisa A, Milligan S, Quinn A, Boulter D, Johnston J, Treanor C, Bradley DT. Vaccination against pertussis and influenza in pregnancy: a qualitative study of barriers and facilitators. Public Health 2018; 162:111-117. [DOI: 10.1016/j.puhe.2018.05.025] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 05/14/2018] [Accepted: 05/30/2018] [Indexed: 11/25/2022]
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King CL, Chow MY, Leask J, Wiley KE. Australian caregivers' perceptions of influenza vaccination in pregnancy: A mixed methods exploration. Women Birth 2018; 32:240-245. [PMID: 30098979 DOI: 10.1016/j.wombi.2018.07.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 05/05/2018] [Accepted: 07/19/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND Pregnant women and their unborn children are at high risk from both pandemic and seasonal influenza. AIM To explore views about influenza vaccination during pregnancy, in a pandemic and immediate post-pandemic context, among mothers and other carers of young children. METHODS In a mixed methods study, caregivers from 16 childcare centres in Sydney, Australia, were surveyed in November and December 2009, and interviews were conducted with caregivers from six childcare centres between June 2009 and May 2011. FINDINGS Emerging themes from 41 interviews conducted with mothers included: 'pregnancy as a protected state', 'risk negotiation' and 'centrality of healthcare worker interaction'. Of 972 surveys distributed, 431 were completed (a response rate of 44%). Respondents perceived pandemic influenza risks to be greater for pregnant women than for their unborn children. Only 2% (9/383) of women reported being vaccinated against swine flu during pregnancy and 45% (168/383) indicated intent to receive swine flu vaccination in a future pregnancy. DISCUSSION The low rates of maternal influenza vaccination revealed in this study contrast to recent gains in vaccine uptake. Vaccination decision-making in pregnancy can be complex and contextually driven for some women. Healthcare workers, including midwives, have a key role in addressing women's concerns about maternal influenza vaccination in both pandemic and interpandemic periods. CONCLUSIONS Policy makers need to be cognisant of women's concerns and develop resources for both pregnant women and healthcare workers as part of both future pandemic planning and seasonal vaccination efforts.
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Affiliation(s)
- Catherine L King
- National Centre for Immunisation Research and Surveillance, The Children's Hospital at Westmead, Locked Bag 4001, Westmead NSW 2145, Australia; Discipline of Child and Adolescent Health, Sydney Medical School, The University of Sydney, The Children's Hospital at Westmead Clinical School, Locked Bag 4001,Westmead NSW 2145, Australia.
| | - Maria Y Chow
- Western Clinical School, Sydney Medical School, The University of Sydney, Level 2, Clinical Sciences Corridor C24 - Westmead Hospital, Westmead NSW 2145, Australia
| | - Julie Leask
- National Centre for Immunisation Research and Surveillance, The Children's Hospital at Westmead, Locked Bag 4001, Westmead NSW 2145, Australia; School of Public Health, The University of Sydney, NSW 2006, Australia; Faculty of Nursing and Midwifery, The University of Sydney, 88 Mallett St, Camperdown NSW 2050, Australia
| | - Kerrie E Wiley
- School of Public Health, The University of Sydney, NSW 2006, Australia
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Castro-Sánchez E, Vila-Candel R, Soriano-Vidal FJ, Navarro-Illana E, Díez-Domingo J. Influence of health literacy on acceptance of influenza and pertussis vaccinations: a cross-sectional study among Spanish pregnant women. BMJ Open 2018; 8:e022132. [PMID: 29982220 PMCID: PMC6042548 DOI: 10.1136/bmjopen-2018-022132] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES Immunisations against influenza and Bordetella pertussis infection are recommended to pregnant women in Valencia (Spain), yet vaccination rates remain low. Health literacy (HL) appears as a crucial factor in vaccination decision-making. We explored the relation between HL of pregnant women and decisions to receive influenza and pertussis immunisations. SETTING University hospital in Valencia (Spain). PARTICIPANTS 119 women who gave birth at a hospital in Valencia (Spain) between November 2015 and May 2016. Women in the immediate postpartum period (more than 27 weeks of gestation), between November 2015 and May 2016 were included in the study. Women with impairments, language barriers or illiteracy which prevented completion of the questionnaires, or those who were under 18 years were excluded from enrolment. PRIMARY AND SECONDARY OUTCOME MEASURES HL level; influenza and pertussis immunisation rate; reasons for rejection of vaccination. RESULTS 119 participants were included (mean age 32.3±5.5 years, 52% primiparous, 95% full-term deliveries). A higher education level was associated with Short Assessment of Health Literacy for Spanish Adults _50 (adjusted R2=0.22, p=0.014) and Newest Vital Sign (adjusted R2=0.258, p=0.001) scores. Depending on the scale, 56%-85% of participants had adequate HL. 52% (62/119) and 94% (112/119) of women received influenza and pertussis immunisation, respectively. Women rejecting influenza vaccine had a higher HL level (measured by SALHSA_50 tool) than those accepting it (Kruskal-Wallis test p=0.022). 24% of women who declined influenza vaccination felt the vaccine was unnecessary, and 23% claimed to have insufficient information. CONCLUSIONS Influenza vaccination rate was suboptimal in our study. Women with high HL were more likely to decline immunisation. Information from professionals needs to match patients' HL levels to reduce negative perceptions of vaccination.
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Affiliation(s)
- Enrique Castro-Sánchez
- NIHR Health Protection Research Unit (HPRU) in Healthcare Associated Infections (HCAI) and Antimicrobial Resistance (AMR), Imperial College London, London, UK
| | - Rafael Vila-Candel
- Department of Obstetrics and Gynaecology, Hospital Universitario de la Ribera, Valencia, Spain
- Faculty of Nursing, Universidad Católica de Valencia ‘San Vicente Mártir’, Valencia, Spain
| | - Francisco J Soriano-Vidal
- Faculty of Nursing, Universidad Católica de Valencia ‘San Vicente Mártir’, Valencia, Spain
- Xàtiva-Ontinyent Health Department, Xàtiva, Spain
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), Valencia, Spain
- Department of Nursing, University of Alicante. San Vicente del Raspeig, Alicante, Spain
| | - Esther Navarro-Illana
- Faculty of Nursing, Universidad Católica de Valencia ‘San Vicente Mártir’, Valencia, Spain
| | - Javier Díez-Domingo
- Faculty of Nursing, Universidad Católica de Valencia ‘San Vicente Mártir’, Valencia, Spain
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), Valencia, Spain
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Regan AK, Hauck Y, Nicolaou L, Engelbrecht D, Butt J, Mak DB, Priest R, Cukierman R, Effler PV. Midwives’ knowledge, attitudes and learning needs regarding antenatal vaccination. Midwifery 2018; 62:199-204. [DOI: 10.1016/j.midw.2018.04.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 03/26/2018] [Accepted: 04/03/2018] [Indexed: 11/29/2022]
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Menzies RI, Leask J, Royle J, MacIntyre CR. Vaccine myopia: adult vaccination also needs attention. Med J Aust 2018; 206:238-239. [PMID: 28358998 DOI: 10.5694/mja16.00811] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 10/31/2016] [Indexed: 11/17/2022]
Affiliation(s)
| | | | - Jenny Royle
- NHMRC Centre of Research Excellence in Population Health Research, University of NSW, Sydney, NSW
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Arriola CS, Vasconez N, Bresee J, Ropero AM. Knowledge, attitudes and practices about influenza vaccination among pregnant women and healthcare providers serving pregnant women in Managua, Nicaragua. Vaccine 2018; 36:3686-3693. [PMID: 29748029 PMCID: PMC6008783 DOI: 10.1016/j.vaccine.2018.05.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 04/20/2018] [Accepted: 05/02/2018] [Indexed: 01/05/2023]
Abstract
BACKGROUND Nicaragua implemented an influenza vaccination program for pregnant women with high-risk obstetric conditions in 2007. In 2014, the recommendation of influenza vaccination expanded to include all pregnant women. Given the expansion in the recommendation of vaccination, we evaluated knowledge, attitudes and practices of pregnant women and their healthcare providers towards influenza vaccination and its recommendation. METHODS We conducted surveys among pregnant women and their healthcare providers from June to August 2016 at two hospitals and 140 health facilities in Managua. The questions were adapted from the U.S. national CDC influenza survey and related to knowledge, attitudes and practices about influenza vaccination and barriers to vaccination. We analyzed reasons for not receiving vaccination among pregnant women as well as receipt of vaccination recommendation and offer by their healthcare providers. RESULTS Of 1,303 pregnant women enrolled, 42% (5 4 5) reported receiving influenza vaccination in the 2016 season. Of those who reported not receiving vaccination, 46% indicated barriers to vaccination. Pregnant women who were vaccinated were more likely to be aware of the recommendation for vaccination and the risks of influenza illness during pregnancy and to perceive the vaccine as safe and effective, compared to unvaccinated pregnant women (p-values < 0.001). Of the 619 health workers enrolled, over 89% recalled recommending influenza vaccination to all pregnant women, regardless of obstetric risk. Of the 1,223 women who had a prenatal visit between the start date of the influenza vaccination and the time of interview, 44% recalled receiving a recommendation for influenza vaccination and 43% were offered vaccination. Vaccination rates were higher for those receiving a recommendation and offer of vaccination compared with those who received neither (95% vs 5%, p-value < 0.001). CONCLUSION Pregnant women in Managua had positive perceptions of influenza vaccine and were receptive to receiving influenza vaccination, especially after the offer and recommendation by their healthcare providers.
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Affiliation(s)
- Carmen S Arriola
- Influenza Division, Centers for Disease Prevention and Control, Atlanta, GA, USA.
| | | | - Joseph Bresee
- Influenza Division, Centers for Disease Prevention and Control, Atlanta, GA, USA
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Lotter K, Regan AK, Thomas T, Effler PV, Mak DB. Antenatal influenza and pertussis vaccine uptake among Aboriginal mothers in Western Australia. Aust N Z J Obstet Gynaecol 2017; 58:417-424. [PMID: 29139107 DOI: 10.1111/ajo.12739] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 10/04/2017] [Indexed: 11/27/2022]
Abstract
BACKGROUND Antenatal influenza and pertussis vaccination prevent serious disease in mothers and infants. Aboriginal individuals are at increased risk of infection yet little is known about vaccine coverage among Aboriginal mothers. AIMS To estimate the uptake of influenza and pertussis vaccination among pregnant Aboriginal women in Western Australia and identify barriers and enablers to vaccination. MATERIALS AND METHODS Four hundred Aboriginal women, aged ≥18 years, who gave birth to a live infant between April and October 2015, were randomly selected and invited to participate in telephone interviews. Of the 387 women who did not decline, 178 had a functioning phone number and 100 completed the survey. Analyses were weighted by maternal residence. RESULTS During pregnancy the majority of Aboriginal mothers were recommended influenza (66%; unweighted, 65/96 = 68%) and pertussis (65%; unweighted, 62/94 = 66%) vaccines, with 62% (unweighted, 56/94 = 56%) and 63% (unweighted, 60/93 = 65%) receiving the vaccinations, respectively. Almost all vaccinated women (98%) reported wanting to protect their baby as the reason for immunisation. Rural mothers were more likely than metropolitan mothers to have been vaccinated against influenza (odds ratio (OR) 4.1, 95% CI 1.7-10.2) and pertussis (OR 3.1, 95% CI 1.2-7.6). Recommendation by a healthcare provider was strongly associated with vaccine uptake (influenza: OR 15.6, 95% CI 4.9-49.5; pertussis: OR 13.3, 95% CI 4.6-38.0). CONCLUSION Vaccination uptake among Western Australian Aboriginal mothers is comparable with rates reported for non-Aboriginal populations worldwide. Provider recommendation is the single most important factor associated with vaccination uptake, underlining the importance of integrating vaccination into routine antenatal care.
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Affiliation(s)
- Kennia Lotter
- School of Medicine, University of Notre Dame Fremantle, Fremantle, Western Australia, Australia
| | - Annette K Regan
- Department of Health, Perth, Western Australia, Australia.,School of Public Health, Curtin University, Perth, Western Australia, Australia
| | - Tyra Thomas
- Department of Health, Perth, Western Australia, Australia
| | - Paul V Effler
- Department of Health, Perth, Western Australia, Australia
| | - Donna B Mak
- School of Medicine, University of Notre Dame Fremantle, Fremantle, Western Australia, Australia.,Department of Health, Perth, Western Australia, Australia
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Regan AK, Bloomfield L, Peters I, Effler PV. Randomized Controlled Trial of Text Message Reminders for Increasing Influenza Vaccination. Ann Fam Med 2017; 15:507-514. [PMID: 29133488 PMCID: PMC5683861 DOI: 10.1370/afm.2120] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 05/09/2017] [Accepted: 06/15/2017] [Indexed: 11/09/2022] Open
Abstract
PURPOSE Seasonal influenza vaccine is recommended and funded for groups at higher risk of serious infection, but uptake is suboptimal. We conducted a randomized controlled trial of short message service (SMS) reminders for influenza vaccination. METHODS Six weeks after seasonal influenza vaccinations began, we identified high-risk patients who had a mobile telephone number on record at 10 practices in Western Australia. Thirty-two percent of the selected patients had already been vaccinated in the current year and were ineligible. Of the remaining 12,354 eligible patients at each practice one-half were randomly assigned to receive a vaccination reminder by SMS (intervention) and the rest received no SMS (control). Approximately 3 months after the SMS was sent (the study period), vaccination data were extracted from the patients' electronic medical records. Log-binomial regression models were used to calculate the relative risk (RR) of vaccination between the intervention and control group. RESULTS Twelve-percent (769 of 6,177) of the intervention group and 9% (548 of 6,177) of the control group were vaccinated during the study period, a 39% relative increase attributable to the SMS (RR = 1.39; 95% CI, 1.26-1.54). For every 29 SMSs sent, costing $3.48, 1 additional high-risk patient was immunized. The greatest effect was observed for children younger than 5 years, whose parents were more than twice as likely to have their child vaccinated if they received a SMS reminder (RR = 2.43; 95% CI, 1.79-3.29). CONCLUSION We found SMS reminders to be a modestly effective, low-cost means to increase seasonal influenza vaccine coverage among high-risk patients.
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Affiliation(s)
- Annette K Regan
- School of Public Health, Curtin University, Perth, Western Australia .,Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Subiaco, Western Australia
| | - Lauren Bloomfield
- Communicable Disease Control Directorate, Department of Health Western Australia, Perth, Western Australia.,School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia
| | | | - Paul V Effler
- Communicable Disease Control Directorate, Department of Health Western Australia, Perth, Western Australia.,School of Pathology and Laboratory Medicine, University of Western Australia, Crawley, Western Australia
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Vilca LM, Esposito S. The crucial role of maternal care providers as vaccinators for pregnant women. Vaccine 2017; 36:5379-5384. [PMID: 28822646 DOI: 10.1016/j.vaccine.2017.08.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 07/12/2017] [Accepted: 08/07/2017] [Indexed: 11/19/2022]
Abstract
Vaccination during pregnancy is increasingly being recognised internationally a useful means of preventing illness in pregnant women and their newborns. It has been used since the 1960s, when it was found that tetanus vaccine was highly effective in preventing neonatal tetanus, but interest has greatly increased over the last few years. As new data become available showing the numerous benefits of maternal immunisation and its potential for improving maternal and neonatal health in relation to a number of infectious conditions, it is being increasingly incorporated into the national vaccination programmes around the world. However, the development of new vaccines, the existence of clinical trials testing the efficacy of vaccinating pregnant women in order to protect newborns against respiratory syncytial virus and group B Streptococcus infections, and the fact that the uptake of influenza and pertussis vaccines during pregnancy is lower than expected in developed countries is making it increasingly clear that existing maternal vaccination programmes need to be strengthened. This reviews addresses the importance of integrating maternal immunisation and standard obstetrical care in order to promote vaccination administration by maternal care providers (MCPs) because the vaccination goals for pregnant women cannot be achieved without appropriate training and extending the role of MCPs as vaccinators. In order to make meaningful progress, it is necessary to develop and refine targeted messages for pregnant women concerning the benefits of maternal immunisation for themselves and their infants.
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Affiliation(s)
- Luz Maria Vilca
- Department of Pediatrics, Obstetrics & Gynecology and Preventive Medicine, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Susanna Esposito
- Pediatric Clinic, Department of Surgical and Biomedical Sciences, Università degli Studi di Perugia, Perugia, Italy.
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Affiliation(s)
| | - Annette Regan
- School of Public Health, Curtin University, Western Australia
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Winslade CG, Heffernan CM, Atchison CJ. Experiences and perspectives of mothers of the pertussis vaccination programme in London. Public Health 2017; 146:10-14. [PMID: 28404461 DOI: 10.1016/j.puhe.2016.12.018] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 11/14/2016] [Accepted: 12/13/2016] [Indexed: 11/24/2022]
Abstract
BACKGROUND In 2012, a pertussis outbreak prompted a national vaccination programme for pregnant women, which provides passive protection for infants. Vaccine uptake in London is consistently lower than elsewhere in the UK. There are few studies looking at the reasons why pregnant women accept or refuse pertussis vaccination. Therefore, this study aimed to gain a better understanding of London women's views and experiences, to identify how services might be improved. STUDY DESIGN Cross-sectional qualitative semi-structured interviews study. METHODS Purposive sampling of four London boroughs was made, taking boroughs in different geographical locations, with varying levels of deprivation and pertussis vaccine uptake. Participants were recruited through baby clinics and interviews conducted covering knowledge about pertussis, the vaccine, information given during pregnancy, factors influencing decision-making, experience of vaccination, future intentions in another pregnancy and recommendations for improving uptake. A thematic analysis approach was used. RESULTS A total of 42 interviews were conducted. Five main themes were identified: (1) lack of discussion about pertussis; (2) desire to protect the baby; (3) trust in health professionals; (4) convenience of vaccination; and (5) help navigating 'busyness of pregnancy'. This study found that, if offered, most women would accept vaccination. Although vaccination through the general practitioner was convenient, more options for vaccination, such as through antenatal clinics, might increase uptake. Despite usage of the internet to look up medical information, women wanted to discuss vaccination with their midwives or general practitioners. Women wanted a simple pregnancy 'checklist' to help ensure that they had received all recommended aspects of antenatal care including vaccination. CONCLUSION Poor uptake of vaccine is not always due to lack of demand or active refusals. Service providers have an important role to play in actively promoting vaccination services, ensuring women have access to the information they require and in increasing the availability and access to vaccination programmes.
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Affiliation(s)
- C G Winslade
- NHS England (London Region), 4th Floor, Southside, 105 Victoria Street, London, SW1E 6QT, UK
| | - C M Heffernan
- NHS England (London Region), 4th Floor, Southside, 105 Victoria Street, London, SW1E 6QT, UK.
| | - C J Atchison
- NHS England (London Region), 4th Floor, Southside, 105 Victoria Street, London, SW1E 6QT, UK
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