A person can contract chickenpox from a child who recently received the varicella vaccine

the verdict

SUPPORTED

the evidence backs this

Recorded sources

3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

A person can contract chickenpox from a child who recently received the varicella vaccine, provided the child develops a postvaccination rash that transmits the vaccine-strain virus to susceptible contacts, though such transmission is rare.

The analysis

Multiple studies, including systematic reviews and case reports (e.g., [3], [8], [9]), document rare instances of secondary transmission of the live attenuated vaccine-strain varicella-zoster virus (Oka strain) from vaccine recipients experiencing postvaccination rashes to susceptible household contacts. Therefore, the claim is supported by the literature.

Evidence for · 3

The Safety Profile of Varicella Vaccine: A 10‐Year Review

Recorded source metadata

Susan A. Galea, Ann R. Sweet, Paul Beninger, Sharon P. Steinberg, Philip LaRussa, Anne A. Gershon, Robert G. Sharrar. The Safety Profile of Varicella Vaccine: A 10‐Year Review. 2008. https://doi.org/10.1086/522125

Identifies secondary transmission of the vaccine strain (Oka VZV) from vaccine recipients to susceptible household contacts.

Source citation format

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More for · 2

Transmission of Vaccine Strain Varicella‐Zoster Virus from a Healthy Adult with Vaccine‐Associated Rash to Susceptible Household Contacts

Recorded source metadata

Philip LaRussa, Sharon Steinberg, François Meurice, Anne A. Gershon. Transmission of Vaccine Strain Varicella‐Zoster Virus from a Healthy Adult with Vaccine‐Associated Rash to Susceptible Household Contacts. 1997. https://doi.org/10.1086/516514

Documents a specific case where a vaccine recipient transmitted the vaccine-strain varicella virus to susceptible household contacts who developed a rash.

Source citation format

Transmission of Vaccine-Strain Varicella-Zoster Virus: A Systematic Review

Recorded source metadata

Mona Marin, Jessica Leung, Anne A. Gershon. Transmission of Vaccine-Strain Varicella-Zoster Virus: A Systematic Review. 2019. https://doi.org/10.1542/peds.2019-1305

Confirms through a systematic review that secondary transmission of vaccine-strain varicella-zoster virus can occur, primarily from vaccine recipients who develop a postvaccination rash to close contacts.

Source citation format

The paper trail · every fact has a biography

first checked02 Aug 2026

judged → SUPPORTED · 9002 Aug 2026

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