Experts say one-way masking indeed works, with some variables to consider.
that people choose N95 masks or similar masks , which filter out up to 95% of airborne particles. You do have to be careful about where you buy your masks though, as up to 60% of the KN95 masks on the market are counterfeit, per the CDC, and it’s difficult to know if the mask you purchase is legitimate. Here are someHaving a high-quality mask and “making sure it fits your face well” is crucial, Dr. Russo says.
You should feel warm air come through the front of the mask and may be able to see the mask material move in and out with each breath if your mask has a good fit. If you have a well-fitting, high-quality mask, “you will notice immediately that breathing is more difficult because you’re breathing through the mask and not around it,” Dr. Schaffner says. “That means the mask is doing its job,” he adds.If we’re talking about surgical masks, those are considered one-and-done deals. Throw it away after each use. But when it comes to respirators, therecommends checking the manufacturer’s instructions to determine how long they can be worn.
Overall, experts stress that you should feel relatively safe if you’re masked up and no one else is. “While two-way masking with N95, KF94, FFP2, and KN95 masks is significantly better, the masks are still effective if just one person is wearing it,” Collins says.
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