that points to aerosol inhalation as the primary mode of transmission for respiratory viruses and respirators as the only effective personal protective equipment for exposure to such viruses."

"Numerically, breathing and talking contribute much more than coughing or sneezing to the amount of virus in the air because they occur continuously or very frequently."

"People continuously release many particles in a wide range of sizes but most of them are relatively small (around 1 micrometer), when they're breathing, talking, singing—and coughing or sneezing.

"(...) premise that infectious respiratory viruses like SARS-CoV, SARS-CoV-2, MERS-CoV, and influenza are only transmitted person to person by large droplets. This is not true. The science is very clear