Aerosols and Droplets: Covid-19, 2020

By |April 13th, 2020|Uncategorized|0 Comments

What to believe?

“You need a mask.” – early March 2020

“Masks are for medical professionals only.” – a few days later in March, 2020

“You don’t need a mask.” – two weeks later, later March 2020

“The CDC recommends that every person in the US wears a covering when out in public.” – early April 2020

NO […]