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Vaccine boosters

The effectiveness of updated vaccine boosters in restoring protection against Covid-19.

Fact-Checks

2 results
Feb 5, 2026

Does the covid vaccine help?

Yes — across decades of randomized trials, large real‑world studies, and systematic reviews, Covid‑19 vaccines clearly reduce the risk of symptomatic infection and, most importantly, cut the risk of s...

Feb 4, 2026

Are those that got the Covid vaccine more likely to get Covid again

Current reporting shows that vaccination lowers the risk of severe illness and hospitalization but does not guarantee protection against repeat infection; vaccine protection against infection wanes ov...