Claim: A post suggests that if masks work, it doesn't matter if other people aren't wearing them as long as you are.
Fact-check: Protecting others is a reason to wear a facemask - Full Fact
Verdict: masks can sometimes play a role in protecting the wearer, but another important action of mask wearing is to reduce the release of infected particles from an infected wearer. this 'source control' effect can help to protect others.
Organisation: Full Fact
Author: Daniella De Block Golding
Date published: 2021-12-03T00:00:00