Claim: UKHSA data shows that the Covid-19 vaccines are negatively effective.
Fact-check: The Covid-19 vaccines don't have 'negative efficacy' - Full Fact
Verdict: incorrect. this data cannot be used to estimate vaccine effectiveness. other estimates from the ukhsa show that the covid-19 vaccines are effective.
Organisation: Full Fact
Author: Leo Benedictus
Date published: 2022-01-18T00:00:00