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COVID-19 vaccines prevented 19.8M deaths in first year: True

Question asked:

“A study published in The Lancet Infectious Diseases estimated that COVID-19 vaccines prevented 19.8 million deaths worldwide during their first year of use.”
True
Confidence: High Checked on October 7, 2026

Summary

A Lancet Infectious Diseases modelling study estimated that COVID‑19 vaccination averted approximately 19.8 million deaths worldwide during the first year of vaccine rollout. This figure is supported by multiple peer‑reviewed publications from the same journal.

Sources 60 searched

thelancet.com
pubmed.ncbi.nlm.nih.gov
pmc.ncbi.nlm.nih.gov

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