This kind of N95 mask can actually spread the coronavirus - Los Angeles Times

Exhalation vents in masks can reduce moisture buildup but also potentially spread infectious droplets. But the fix is easy. Grab some tape.

The coronavirus mask debate, explained - Vox

LA school district requiring students to wear better masks for classes, sports

COVID-19 and its variants:How N95 (hi-fi) masks can protect us

The New York Times: Can You Get the Flu and COVID at the Same Time?

Need to upgrade your mask for omicron? Here's a ranking from good, better, best to help prevent COVID-19

Experts explain how to decontaminate N95 masks from SARS-CoV-2

Neck Gaiters Do Not Curb COVID-19, Study Finds

Expected CDC guidance on N95 masks outrages health care workers

CDC recommends everyone wear cloth masks in public to fight coronavirus - Vox

3M sues Florida company over sale of fake N95 masks