No, it was at the start. Then after a few months everyone who was reading the journal articles became aware that aerosol was the mechanism of spread and that no

No, it was at the start. Then after a few months everyone who was reading the journal articles became aware that aerosol was the mechanism of spread and that normal human behaviors created aerosols that worked for this. The WHO and governments have lagged because they don't want people hoarding effective masks when hospitals need them more. But they can't deny reality for much longer and it's time to manufacture more instead of lying about spread mechanism. "239 Experts With 1 Big Claim: The Coronavirus Is Airborne" https://www.nytimes.com/2020/07/04/health/239-experts-with-1-big-claim-the-coronavirus-is-airborne.html https://www.nytimes.com/2020/07/04/health/239-experts-with-1... >The W.H.O. has resisted mounting evidence that viral particles floating indoors are infectious, some scientists say. The agency maintains the research is still inconclusive.