Claim: Federal agencies already knew that hydroxychloroquine and chloroquine "were very likely to be effective against COVID-19" based on 2014 paper
Fact-check: 2014 study by Dyall et al. is an in vitro study; clinical trials showed hydroxychloroquine is ineffective against COVID-19 in people - Science Feedback
Verdict: misleading
Organisation: Science Feedback
Author: Flora Teoh
Date published: 2022-11-07T17:35:36