With omicron, you need a mask that means business
To block a variant this transmissible, scientists say you need an N95 and other high-filtration mask. Here's how to find a good one and when to wear it.
With another coronavirus variant racing across the U.S., once again, health authorities are urging people to mask up indoors. Yes, you've heard it all before. But given how contagious omicron is, experts say, it's seriously time to upgrade to an N95 or similar high-filtration respirator when you're in public indoor spaces.
"Cloth masks are not going to cut it with omicron," says Linsey Marr, a researcher at Virginia Tech who studies how viruses transmit in the air.
Omicron is so much more transmissible than coronavirus variants that have come before it. It spreads at least three
