49680300227_5b1306d65a_o blue cell infec

SARS-CoV-2 (pink) infected cell

from patient in MD

Photo Credit:   US Army

 

Hear and see how invisible droplets emit during speech. Researchers used laser technology to light up the spray of otherwise unseen particles that become "aerosolized"during speech. Don't have time? The left video is short, or go to 01:35 in the longer video on the right to see the magnified spray.