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CELLA PAOLA, VOGLINO GIANLUCA, BARBERIS ILARIA, ALAGNA ENRICO, ALESSANDRONI CLAUDIA, CUDA ALESSANDRO, D’ALOISIO FRANCESCO, DALLAGIACOMA GIULIA, DE NITTO SARA, DI GASPARE FRANCESCA, GALLIPOLI ORIANA, GENTILE LEANDRO, KUNDISOV LUCIA, NAVARO MONICA, PROVENZANO SANDRO, SANTANGELO OMARENZO, STEFANIZZI PASQUALE, GIANFREDI VINCENZA. Resources for assessing parents' vaccine hesitancy: a systematic review of the literature. JOURNAL OF PREVENTIVE MEDICINE AND HYGIENE 2020; 61:E340-E373. [PMID: 33150224 PMCID: PMC7595070 DOI: 10.15167/2421-4248/jpmh2020.61.3.1448] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 07/22/2020] [Indexed: 11/17/2022]
Abstract
The concept of Vaccine Hesitancy has begun to appear in the scientific landscape, referring to the reluctance of a growing proportion of people to accept the vaccination offer. A variety of factors were identified as being associated with vaccine hesitancy but there was no universal algorithm and currently there aren’t any established metrics to assess either the presence or impact of vaccine hesitancy. The aim of this study was to systematically review the published questionnaires evaluating parental vaccine hesitancy, to highlight the differences among these surveys and offer a general overview on this matter. This study offers a deeper perspective on the available questionnaires, helping future researches to identify the most suitable one according to their own aim and study setting.
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Affiliation(s)
- PAOLA CELLA
- Post Graduate School of Hygiene and Preventive Medicine, Department of Medicine and Surgery, University of Parma, Italy
| | - GIANLUCA VOGLINO
- Post Graduate School of Hygiene and Preventive Medicine, Department of Public Health, University of Turin, Italy
| | - ILARIA BARBERIS
- Health Science Department, University of Genoa, Italy
- Correspondence: Ilaria Barberis, Health Science Department, University of Genoa, largo Rosanna Benzi 10, Pad. 3 San Martino Hospital, Italy - Tel./Fax +39 010 3538502 - E-mail:
| | - ENRICO ALAGNA
- Post Graduate School of Hygiene and Preventive Medicine, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties “G. D’Alessandro”, University of Palermo, Italy
| | - CLAUDIA ALESSANDRONI
- Post Graduate School of Hygiene and Preventive Medicine, University of Rome Tor Vergata, Rome, Italy
| | - ALESSANDRO CUDA
- Post Graduate School of Hygiene and Preventive Medicine, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Italy
| | - FRANCESCO D’ALOISIO
- Post Graduate School of Hygiene and Preventive Medicine, Department of Life, Health and Environmental Sciences, University of L’Aquila, Italy
| | - GIULIA DALLAGIACOMA
- Post Graduate School of Hygiene and Preventive Medicine, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Italy
| | - SARA DE NITTO
- Post Graduate School of Hygiene and Preventive Medicine, Department of Biomedical Science and Human Oncology, University of Bari Aldo Moro, Italy
| | - FRANCESCA DI GASPARE
- Post Graduate School of Hygiene and Preventive Medicine, University of Rome Tor Vergata, Rome, Italy
| | - ORIANA GALLIPOLI
- Post Graduate School of Hygiene and Preventive Medicine, Department of Life, Health and Environmental Sciences, University of L’Aquila, Italy
| | - LEANDRO GENTILE
- Post Graduate School of Hygiene and Preventive Medicine, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Italy
| | - LUCIA KUNDISOV
- Post Graduate School of Public Health, University of Siena, Italy
| | - MONICA NAVARO
- Post Graduate School of Hygiene and Preventive Medicine, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, Italy
| | - SANDRO PROVENZANO
- Post Graduate School of Hygiene and Preventive Medicine, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties “G. D’Alessandro”, University of Palermo, Italy
| | - OMAR ENZO SANTANGELO
- Post Graduate School of Hygiene and Preventive Medicine, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties “G. D’Alessandro”, University of Palermo, Italy
| | - PASQUALE STEFANIZZI
- Post Graduate School of Hygiene and Preventive Medicine, Department of Biomedical Science and Human Oncology, University of Bari Aldo Moro, Italy
| | - VINCENZA GIANFREDI
- Post Graduate School of Hygiene and Preventive Medicine, Department of Experimental Medicine, University of Perugia, Italy
- School of Medicine, University Vita-Salute San Raffaele, Milan, Italy
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Spatiotemporal Epidemiology of Varicella in Chongqing, China, 2014-2018. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17020662. [PMID: 31968545 PMCID: PMC7013978 DOI: 10.3390/ijerph17020662] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/15/2020] [Accepted: 01/16/2020] [Indexed: 12/23/2022]
Abstract
Although immunization against varicella using vaccines has been proven to be significant and effective in the past decades, varicella remains a major public health concern for many developing countries. Varicella vaccination has not been introduced into routine immunization programs in China, and varicella outbreaks have continued to occur. Taking the city of Chongqing, which has a high prevalence of varicella, as an example, this study explored the spatiotemporal epidemiology of varicella. Based on the reported data of varicella cases from 1 January 2014 to 31 December 2018 in Chongqing, hot spots and space-time clusters of varicella were identified using spatial autocorrelation analysis and scan statistics. Within this period, a total of 112,273 varicella cases were reported in Chongqing (average annual incidence: 73.44 per 100,000), including one death. The incidence of varicella showed an increasing trend with significant seasonal peaks, which occurred during April to July and October to January of the following year. The total ratio of male to female patients affected was 1.10:1. Children under the age of 15 and students accounted for the majority of the patient population. The hotspots detected through local spatial autocorrelation analysis, and the most likely clusters identified by scan analysis, were primarily in the main urban districts of Chongqing. The secondary clusters were mostly detected in northeast and southwest Chongqing. There were obvious spatial dependence and spatiotemporal clustering characteristics of varicella in Chongqing from 2014 to 2018. High-risk districts, populations, and peak periods were found in this study, which could be helpful in implementing varicella prevention and control programs, and in adjusting vaccination strategies for the varicella vaccine based on actual conditions.
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Goh AEN, Choi EH, Chokephaibulkit K, Choudhury J, Kuter B, Lee PI, Marshall H, Kim JO, Wolfson LJ. Burden of varicella in the Asia-Pacific region: a systematic literature review. Expert Rev Vaccines 2019; 18:475-493. [PMID: 30869552 DOI: 10.1080/14760584.2019.1594781] [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] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Varicella is a highly contagious infection that can lead to serious complications, particularly in high-risk groups; however, it is vaccine preventable. Disease awareness and understanding of the disease burden can strongly influence vaccine coverage. This review provides insight into the current epidemiology and the importance of varicella from both public health and economic perspectives across the Asia-Pacific (APAC) region. Areas covered: A systematic literature review was conducted to identify studies on the incidence, seroprevalence, fatality rate and complication rate of varicella. Economic burden studies were also captured. Altogether, 125 studies were identified across the region; these were supplemented by government reports (gray data). Reported vaccine coverage varied from 2.8% to 97%; a key influencing factor was inclusion of the varicella vaccine in national immunization programs. In general, varicella incidence in the unvaccinated population was highest in children ≤5 years old and seroprevalence increased with age. Economic analyses highlighted the cost-saving potential of vaccination programs, especially from a societal perspective. Expert opinion: Varicella-related data varied greatly across the APAC region, highlighting the need to better understand the burden of varicella in this area, and particularly identified the need for better surveillance and reporting.
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Affiliation(s)
- Anne Eng Neo Goh
- a Department of Paediatrics , KK Women's and Children's Hospital , Singapore
| | - Eun Hwa Choi
- b Division of Pediatric Infectious Diseases , Seoul National University Hospital , Seoul , South Korea
| | | | - Jaydeep Choudhury
- d Department of Pediatrics , Institute of Child Health , Kolkata , India
| | - Barbara Kuter
- e Global Vaccine Medical Affairs, Merck Research Laboratories, Merck & Co., Inc , Kenilworth , NJ , USA
| | - Ping-Ing Lee
- f Department of Pediatrics , National Taiwan University Children's Hospital , Taipei City , Taiwan
| | - Helen Marshall
- g Women's and Children's Health Network and Robinson Research Institute and Adelaide Medical School , The University of Adelaide , Adelaide , Australia
| | - Jin Oh Kim
- e Global Vaccine Medical Affairs, Merck Research Laboratories, Merck & Co., Inc , Kenilworth , NJ , USA
| | - Lara J Wolfson
- h Center for Observational and Real-World Evidence , Merck & Co., Inc ., Kenilworth , NJ , USA
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Chen B, Sumi A, Wang L, Zhou W, Kobayashi N. Role of meteorological conditions in reported chickenpox cases in Wuhan and Hong Kong, China. BMC Infect Dis 2017; 17:538. [PMID: 28774264 PMCID: PMC5541728 DOI: 10.1186/s12879-017-2640-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 07/26/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Chickenpox is a common contagious disease that remains an important public health issue worldwide. Over 90% of unvaccinated individuals become infected, but infection occurs at different ages in different parts of the world. Many people have been infected by 20 to 30 years of age in China, and adults and pregnant women who become infected often develop severe infection. Furthermore, a mortality rate of 2-3 per 100,000 infected persons has been reported. In this study, we explore the temperature-dependent transition of patterns of reported chickenpox cases in two large subtropical climate cities, Wuhan and Hong Kong, China, to aid in the prediction of epidemics and preparation for the effects of climatic changes on epidemiology of chickenpox in China. METHODS We used a time series analysis comprising a spectral analysis based on the maximum entropy method in the frequency domain and the nonlinear least squares method in the time domain. Specifically, the following time series data were analyzed: data of reported chickenpox cases and meteorological data, including the mean temperature, relative humidity and total rainfall in Wuhan and Hong Kong from January 2008 to June 2015. RESULTS The time series data of chickenpox for both Wuhan and Hong Kong have two peaks per year, one in winter and another in spring, indicating a bimodal cycle. To investigate the source of the bimodal cycle of the chickenpox data, we defined the contribution ratio of the 1-year cycle, Q 1, and the 6-month cycle, Q 2, as the contribution of the amplitude of a 1-year cycle and a 6-month cycle, respectively, to the entire amplitude of the time-series data. The Q 1 values of Wuhan and Hong Kong were positively correlated with the annual mean temperature and rainfall of each city. Conversely, the Q 2 values of Wuhan and Hong Kong were negatively correlated with the annual mean temperature and rainfall of Wuhan and Hong Kong. CONCLUSION Our results showed that the mean temperature and rainfall have a significant influence on the incidence of chickenpox, and might be important predictors of chickenpox incidence in Wuhan and Hong Kong.
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Affiliation(s)
- Banghua Chen
- Department of Infectious Diseases Control and Prevention, Wuhan Center for Disease Control and Prevention, Wuhan, Hubei China
| | - Ayako Sumi
- Department of Hygiene, Sapporo Medical University School of Medicine, S-1, W-17, Chuo-ku, Sapporo, Hokkaido 060-8556 Japan
| | - Lei Wang
- Institute of Infectious Disease Control and Prevention, Hubei Center for Disease Control and Prevention, Wuhan, China
| | - Wang Zhou
- Wuhan Centers for Disease Control and Prevention, 24 Jianghanbei Road, Wuhan, Hubei 430000 China
| | - Nobumichi Kobayashi
- Department of Hygiene, Sapporo Medical University School of Medicine, S-1, W-17, Chuo-ku, Sapporo, Hokkaido 060-8556 Japan
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Tam WWS, Chan J, Lo KKH, Lee A, Chan PKS, Chan D, Nelson EAS. Parental Attitudes and Factors Associated With Varicella Vaccination in Preschool and Schoolchildren in Hong Kong: A Cross-Sectional Study. Medicine (Baltimore) 2015; 94:e1519. [PMID: 26356725 PMCID: PMC4616659 DOI: 10.1097/md.0000000000001519] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
This study investigates parental attitudes and factors associated with varicella vaccination among preschool and schoolchildren prior to introduction of the vaccine into Hong Kong's universal Childhood Immunization Program.Fourteen kindergartens and 5 primary schools in Hong Kong were randomly selected in 2013. Parents of the students were invited to answer the self-administered questionnaires. Acquired information included demographic characteristics and socioeconomic statuses of families, children's history of chickenpox infection and vaccination, and reasons for getting children vaccinated. Logistic regression was applied to examine the factors associated with vaccination.From the 3484 completed questionnaires, the calculated rates of varicella infection and vaccination were 20.7% and 69.0%, respectively. Barriers to vaccination included parental uncertainties about vaccine effectiveness, lack of recommendation from the government, and concerns on adverse effects. Overall, 71.8%, 69.0%, and 45.7% of the parents rated family doctors, specialists, and the government, respectively, as very important motivators of vaccination. Higher parental educational level and family income, better perceived knowledge of varicella and chance of infection, discussion with a family doctor, and positive health belief towards vaccination were associated with vaccination (all P < 0.05).The rate of vaccination in Hong Kong was higher than that of some other countries that also did not include the vaccine in their routine immunization programs. More positive parental attitudes, higher socioeconomic status, and discussion with a family doctor are associated with greater vaccination rates. The important roles that health professionals and the government play in promoting varicella vaccination were emphasized.
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Affiliation(s)
- Wilson W S Tam
- From the Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (WWST); Department of Paediatrics, Kwong Wah Hospital, Hong Kong (JC); JC School of Public Health and Primary Care, The Chinese University of Hong Kong (KKHL, AL); Department of Microbiology, The Chinese University of Hong Kong (PKSC); Stanley Ho Centre for Emerging Diseases (DC); and Department of Pediatrics, The Chinese University of Hong Kong, Hong Kong (EASN)
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