Ted Lieu @tedlieu
Wonder why masks and social distancing reduce transmission of the virus? See below. Would you want to be in the cough cloud from someone who has COVID? — PolitiTweet.org
Saad Akhtar @saadakhtar312
@cramersmd @carlzimmer Hello! Here's a GIF that illustrates the whole cough evolution in this study https://t.co/DrCAR0IOiP