As new Covid variants gain traction, reinfections become more common and cases climb in certain areas, a few schools and businesses are reinstating mask requirements.
Here’s a refresher on where, when and how to mask.
When should you wear a mask inside?
Everyone’s risk tolerance varies, Dr. William Schaffner, an infectious disease specialist at the Vanderbilt University School of Medicine, said.
“Certainly every time you add another person to the room, particularly people who are within three to five feet of you, that increases your chance of getting infected, exponentially,” Dr. Pekosz added.
Persons:
reinfections, ”, Andrew Pekosz, William Schaffner, Pekosz
Organizations:
Johns Hopkins University Bloomberg School of Public Health, Vanderbilt University School of Medicine