> Nothing about covid was known from the start besides the structure of the virus. We had evidence of airborne spread very soon after the virus broke out of Ch

> Nothing about covid was known from the start besides the structure of the virus. We had evidence of airborne spread very soon after the virus broke out of China. Passengers of the cruise ship Diamond Princess were quarantined in their cabins and the virus continued to spread from cabin to cabin. Cloth face masks are effective when a virus has a droplet based spread, like the flu. They are not effective when a virus is airborne. Look at how flu cases hit record lows globally, while Covid continued to spread like wildfire. >CDC says seasonal flu cases hit record lows around the world https://www.nbcnews.com/health/cold-and-flu/cdc-says-seasonal-flu-cases-hit-record-lows-around-world-n1240333 https://www.nbcnews.com/health/cold-and-flu/cdc-says-seasona...