There also appears to be a viral load issue. Exposure to a few droplets containing the virus carries risk of transmission, but exposure to many lung-fuls of con

There also appears to be a viral load issue. Exposure to a few droplets containing the virus carries risk of transmission, but exposure to many lung-fuls of contaminated air seems to have an even higher risk[1]. [1] SARS-CoV-2 viral load predicts COVID-19 mortality Elisabet Pujadas, Fayzan Chaudhry, Russell McBride, Felix Richter, Shan Zhao, Ania Wajnberg https://www.thelancet.com/journals/lanres/article/PIIS2213-2600(20)30354-4/fulltext https://www.thelancet.com/journals/lanres/article/PIIS2213-2...