The evidence that the coronavirus spreads through the air has been mounting for months. However, the official guidance from the World Health Organization and Centers for Disease Control is still that droplets are the main route of transmission.
Below is a link to the Google document where scientists are answering common questions:
https://docs.google.com/document/u/0/d/1fB5pysccOHvxphpTmCG_TGdytavMmc1cUumn8m0pwzo/mobilebasic
And this link has the letter scientists wrote to WHO asking them to correct their position
George Nikolaou 