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Index/Topics/Vaccine safety in pregnancy

Vaccine safety in pregnancy

The safety of vaccination during pregnancy and its effects on the fetus

Fact-Checks

1 result
Jan 7, 2026

Asserts that a self‑amplifying mRNA COVID‑19 vaccine crossed the placenta, reached the fetus, and caused severe cardiovascular problems at birth.

The claim that a self‑amplifying mRNA COVID‑19 vaccine crossed the placenta, reached the fetus, and caused severe cardiovascular problems at birth is not supported by the bulk of published studies: se...

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