The CDC Recommends You Use Face Masks That Meet These New Standards
that a mask meets ASTM standards and provides at least 80% filtration. These masks also must be breathable and have a leakage ratio of 10 or greater.
But, Collins says, the F3502 standard alone is not overly helpful. “Since the standard only covers 30% to 50% protection and greater than 50% , it can be confusing to the customer,” he says. “If you buy a F3502 mask, currently the range of filtration is 22% to 99% from various manufacturers. How does that help the consumer?”
, along with data about the level of protection they provide. So, you’re able to look into specifics before you buy a new mask.This has changed a bit over time, and it’s understandable to be a little unsure about what the latest recommendations are. Currently, the CDCthat everyone who is two years or older and unvaccinated against COVID-19 wear a face mask in indoor public places.
Still, Dr. Russo stresses, “it doesn’t mean that all masks out there have been submitted to these organizations and haven’t met performance characteristics” if they don’t have one of the designations.
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