The claim

「Multiple vaccines at once overload the immune system」

Q: Multiple vaccines at once overload the immune system

Myth — A baby’s immune system handles vast antigen loads daily; combined vaccines add a drop in that ocean. Co-administration is rigorously tested — and saves clinic trips.

Verdict

Myth

A baby’s immune system handles vast antigen loads daily; combined vaccines add a drop in that ocean. Co-administration is rigorously tested — and saves clinic trips.

Sources

CDC · Centers for Disease Control and Prevention
Centers for Disease Control and Prevention. (2024/12/20). Multiple vaccines at once. https://www.cdc.gov/vaccine-safety/about/multiples.html
Direct source · Government / official agency · checked 2026-08-02

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「Multiple vaccines at once overload the immune system」

Verdict

Sources

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Further reading