Varicella outbreak at nursery school under routine immunization in Japan in 2017 and 2018 and vaccine effectiveness

CONCLUSION: Because many nursery school children who had received two doses of vaccine were infected, VE was estimated as low in the nursery school and not significant. Although VE for severity with more than one dose was confirmed, a second dose might not reduce severity compared to one dose.PMID:38480103 | DOI:10.1016/j.vaccine.2024.02.075
Source: Vaccine - Category: Allergy & Immunology Authors: Source Type: research