Vaccinated children with chickenpox remain contagious
the verdict
SUPPORTED
the evidence backs this
confidence 78/100
Vaccinated children can experience vaccine-breakthrough infections of chickenpox (varicella), and surveillance data confirm the ongoing occurrence of breakthrough cases.
Evidence for · 2
Changes in Epidemiological Characteristics of Varicella and Breakthrough Cases in Ningbo, China, From 2010 to 2023: Surveillance Study.
2025 · cited by 2
Study examines epidemiological characteristics of varicella and documented breakthrough cases (vaccine-breakthrough infections) over a multi-year surveillance period in China.
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More for · 1
Epidemiology and clinical features of breakthrough varicella in the 9 years after universal vaccination began in Japan.
2025 · cited by 2
Study investigates virologically diagnosed breakthrough varicella in children following universal vaccination, demonstrating that vaccinated individuals can experience breakthrough infections.