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Index/Organizations/NPJ Vaccines

NPJ Vaccines

Scientific journal

Fact-Checks

2 results
Dec 6, 2025
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Comparison of myocarditis risks in different COVID vaccines

Available studies and regulatory summaries show myocarditis after COVID-19 vaccination is rare, concentrates in males aged ~12–24 and most often occurs within days of a second mRNA dose; FDA cites ~27...

Jan 23, 2026

Have any peer-reviewed studies shown mRNA COVID-19 vaccines cause genomic integration or mutations?

No consensus peer-reviewed evidence demonstrates that cause genomic integration or produce heritable mutations; isolated peer‑reviewed case reports and preprints have claimed detection of vaccine-deri...