Claim: Face masks are useless at stopping Covid-19 because the gaps in them are larger than a Covid-19 viral particle.
Fact-check: The holes in face masks don't mean they're useless - Full Fact
Verdict: face masks, especially surgical masks, have been shown to reduce covid-19 infection.
Organisation: Full Fact
Author: Abbas Panjwani
Date published: 2021-11-24T00:00:00