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Knuf M, Charkaluk ML, The Nguyen PN, Salamanca de la Cueva I, Köbrunner P, Mason L, Duchenne M, Berlaimont V. Penta- and hexavalent vaccination of extremely and very-to-moderate preterm infants born at less than 34 weeks and/or under 1500 g: A systematic literature review. Hum Vaccin Immunother 2023; 19:2191575. [PMID: 37076111 PMCID: PMC10120554 DOI: 10.1080/21645515.2023.2191575] [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: 04/21/2023] Open
Abstract
Debate regarding vaccinating high-risk infants with penta- and hexavalent vaccines persists, despite their good immunogenicity and acceptable safety profile in healthy full-term infants. We report the findings of a systematic literature search that aimed to present data on the immunogenicity, efficacy, effectiveness, safety, impact, compliance and completion of penta- and hexavalent vaccination in high-risk infants, including premature newborns. Data from the 14 studies included in the review showed that the immunogenicity and the safety profile of penta- and hexavalent vaccines in preterm infants was generally similar to those seen in full-term infants, with the exception of an increase in cardiorespiratory adverse events such as apnea, bradycardia and desaturation following vaccination in preterm infants. Despite recommendations of vaccinating preterm infants according to their actual age, and the relatively high completion rate of the primary immunization schedule, vaccination was often delayed, increasing the vulnerability of this high-risk population to vaccine-preventable diseases.
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Affiliation(s)
- Markus Knuf
- Department for Pediatric and Adolescent Medicine, Children's Hospital Worms, Worms, Germany
- Pediatric Infectious Diseases, University of Medicine, Mainz, Germany
| | - Marie-Laure Charkaluk
- Neonatology Department, Saint Vincent de Paul Hospital, GHICL, Lille, France
- Faculty of Medicine, Maieutics and Health Sciences, Université Catholique de Lille, Lille, France
- CRESS, Obstetrical Perinatal and Pediatric Epidemiology Research Team, EPOPé, INSERM, INRAE, Université Paris Cité, Paris, France
| | | | | | - Petra Köbrunner
- Pallas Health Research and Consultancy, Rotterdam, The Netherlands
| | - Lauren Mason
- Pallas Health Research and Consultancy, Rotterdam, The Netherlands
| | - Maurine Duchenne
- GSK vaccine, GlaxoSmithKline Pharmaceuticals SA/NV, Wavre, Belgium
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Feng T, Wang X, Li J, Wang C, Qiu Y, Zhang Y, Zhou B, Wang J, Xia A, Sun X, Huang Z, Wei Z, Wang Y, Zeng M. Common issues and improvement solution of vaccine hesitancy in children with underlying neurological conditions: Experience from one National Children's Medical Center in China. Vaccine 2023; 41:427-434. [PMID: 36470687 DOI: 10.1016/j.vaccine.2022.11.063] [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: 05/10/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 12/05/2022]
Abstract
BACKGROUND Parents and healthcare providers usually defer or avoid immunization for children with neurological conditions. This study was conducted to investigate the common issues of immunization among these special children and the impact of specialists' recommendation on improving immunization practice. METHOD We included 2,221 children with underlying neurological conditions seeking vaccination consultation at the first Immunization Advisory Clinic in China during 2017-2019. The primary neurological conditions and immunization status were analyzed. All parents were informed to self-report the adverse events following catch-up immunization. For specially concerned children with hereditary disorders, immune-related encephalopathy and epilepsy, we conducted the active follow-up to monitor the compliance with recommendation and the adverse events. RESULT All counselling children were assessed as not having any contraindication of immunization. A total of 2,019 (90.9%) children with underlying neurological conditions had delayed immunization and 99 (4.5%) had non-immunization. The coverage rate of age-appropriate vaccines was 56.1%. The most concerned vaccines were diphtheria, tetanus and acellular pertussis combined vaccine, diphtheria and tetanus combined vaccine, meningococcal polysaccharide vaccine and Japanese encephalitis vaccine. Resuming immunization was recommended for the 2,048 (92.2%) children. Most of counselling children complied with the specialists' recommendation. Neither progress nor flaring of the neurological medical conditions was reported from parents. CONCLUSION Vaccine hesitancy was a common issue for Chinese children with all kinds of neurological conditions. Specialized consultation on immunization is helpful to build vaccine confidence for the special children. Immunization for children with underlying neurological conditions is generally safe.
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Affiliation(s)
- Tianxing Feng
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China; Shanghai Rici Children's and Women's Hospital, No 1314, Beijingxi Rd., Shanghai, China.
| | - Xiangshi Wang
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Jingjing Li
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Chuning Wang
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Yue Qiu
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Ying Zhang
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Beihua Zhou
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Jiali Wang
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Aimei Xia
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Xiaodong Sun
- Shanghai Municipal Center for Disease Control and Prevention, No 1380, Zhongshanxi Rd., Shanghai, China.
| | - Zhuoying Huang
- Department of Expended Immunization Program, Shanghai Municipal Center for Disease Control and Prevention, No 1380, Zhongshanxi Rd., Shanghai, China.
| | - Zhongqiu Wei
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Yi Wang
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
| | - Mei Zeng
- National Children's Medical Center, Children's Hospital of Fudan University, No 399, Wanyuan Rd., Shanghai, China.
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