“Face masks do not work against Covid-19 and the value of 'dirty or contaminated cloth masks' hasn't been studied”
What TheJournal.ie found
Scientific studies have tested the efficacy of face coverings, including cloth masks. The suggestion that no study has been done on the protective value of dirty or contaminated cloth masks is a fallacy – official guidance advises that cloth masks should be washed and decontaminated between uses. Current evidence shows that cloth masks are useful in a community setting to prevent the spread of infection, but that medical and surgical masks are more appropriate for healthcare workers, although...
Their words, from the summary they publish with the rating.
In short
This claim spread on social media around 28 December 2020. TheJournal.ie (Ireland) looked into it and published its finding on 15 January 2021, 18 days later. Its rating was “False”.
Where the claim appeared
Links recorded by TheJournal.ie. Some posts may have been deleted since.
This check was done by TheJournal.ie, not by DoesItStand. We list it so you can find it. Their full evidence and reasoning are in their article.