The Centers for Disease Control and Prevention conceded Friday that cloth masks are less effective than surgical or respirator masks as protection against COVID-19. The updated guidance reflects what ...
The Centers for Disease Control and Prevention (CDC) updated its guidance on Jan. 14, 2022 to clarify that some masks offer more protection than others as the highly transmissible omicron variant of ...
The highly transmissible omicron variant is sweeping the U.S., causing a huge spike in covid-19 cases and overwhelming many hospital systems. Besides urging Americans to get vaccinated and boosted, ...
A new rapid expert consultation from a standing committee of the National Academies of Sciences, Engineering, and Medicine responds to questions from the White House Office of Science and Technology ...