Dr. Peter Hotez on impact of mask material to curb coronavirus spread
https://healthell.blogspot.com/2020/07/dr-peter-hotez-on-impact-of-mask.html
Dr. Peter Hotez on impact of mask material to curb coronavirus spread
A study shows certain mask materials are more effective at stopping the spread of coronavirus droplets; Dr. Peter Hotez weighs in on ‘America’s Newsroom.’
