It's a new protocol with a life-saving purpose.
Double-masking may be the new normal for the next stretch of the pandemic, according to the new data from the Centers of Disease Control and Prevention. In light of the emergence of the new COVID-19 variants, this extra layer of protection may help dramatically prevent transmission, Memorial Hermann's Dr. Linda Yancey told Chron.
"By asking people to double mask, it doubles up the protection you're getting," Yancey said. "It's going to be much more effective at preventing the spread of COVID-19. If you're already walking around in an N95 mask, you probably won't get much additional benefit."
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Researchers discovered that adding a cloth mask over a medical procedure mask could potentially block up to 96.4 percent of infection particles from escaping by securing a tighter fit and eliminating leakage, the CDC said. The practice of double-masking substantially reduces exhaled respiratory droplets and aerosols from those who are infected with COVID-19, according to the CDC.
"We continue to recommend that masks should have two or more layers, completely cover your nose and mouth, and fit snugly against your nose and the sides of your face," CDC Director Dr. Rochelle Walensky said in a White House briefing.
The CDC outlined five helpful tips to make masks more protective.
- Nose-bridge wires ensure a tight seal.
- Mask braces can improve filtration by up to 90 percent.
- The CDC's "knot and tuck" technique also reduces air leaks.
- Wearing a cloth mask over a surgical one can block the coughed particles.
- When in doubt, check for gaps by cupping your hands around the edges while you breathe in and out.
Doubling-up your masks could potentially keep you protected against the threat of more infectious COVID-19 variants, Yancey stressed. She also echoed the need for people to stay safe at home during Houston's winter storm expected this weekend.
"Right now, we're in a race between the virus, its variants and the vaccine which is getting people protected," Yancey said. "This weekend when it's going to be miserable cold in Houston, this is not the time to go to a friend's house. Shelter in place with the people in your family bubble."
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