Claim: Covid-19 cases were going up very rapidly in England when mask mandates were introduced in 2020, and the mandates brought them under control within weeks.
Fact-check: Mask mandates did not immediately control a Covid-19 wave in 2020 - Full Fact
Verdict: covid infections were not rising rapidly when the mask mandates were introduced in the summer of 2020. they were generally low and flat, but began to rise later, in the autumn.
Organisation: Full Fact
Author: Leo Benedictus
Date published: 2023-01-06T00:00:00