Danish Study Doesn’t Prove Masks Don’t Work Against the Coronavirus

Q: Did a recent study in Denmark show that face masks are useless for COVID-19?
A: No. The study found that face masks did not have a large protective effect for wearers — not that masks provide no protection at all or don’t offer benefits to others. 

FULL QUESTION
Are masks proven to be useless for COVID-19?
FULL ANSWER
News of the results of a recent randomized controlled trial in Denmark testing a face mask intervention has led some to conclude that masks are ineffective against the coronavirus,