Pandemic science, Talk quietly please
User Dr. John Campbell on YouTube,
Aerosol emission and superemission during human speech increase with voice loudness (Nature Scientific Reports) https://www.natu…
Aerosol emission and superemission during human speech increase with voice loudness (Nature Scientific Reports) https://www.natu…
On April 3rd, the U.S. Centers for Disease Control and Prevention started recommending that people wear a mask over their face…