Marr has compiled and publicly posted a listing of her suggestions for masks for kids.
There’s additionally a brand new voluntary normal for face masks. It is known as ASTM F3502-21, and it is revealed by a global group that units voluntary requirements for 1000’s of merchandise. With a purpose to declare {that a} masks meets this normal, a producer has to have its masks examined and reveal that it supplies a sure stage of filtration and breathability.
Not everybody agrees that the usual is enough, although.
“It is just about ineffective. The max class is 50% filtration effectivity,” says Aaron Collins, who calls himself @masknerd on Twitter. “That may have been OK for the unique coronavirus however “now that we’re speaking about Alpha and the Delta on high of that, it’s not even relevant any extra,” he says. “We’ve handed that normal.”
Collins is a mechanical engineer in Minneapolis, MN, with experience aerosols who began testing face masks final 12 months as a technique to discover a good, protecting one for himself. The undertaking quickly grew. Now he posts the outcomes of his testing and debunks widespread myths about masks (sure, in the event you can odor via it, it’s nonetheless protecting. Smells are vapors, not particles, he explains) on YouTube.
He had stopped his testing over the summer time however stated dad and mom have been bombarding him with questions on masks for youths, so he began testing them once more. He has a 5-year-old son.
“We have now an enormous downside within the U.S., and that’s that right here isn’t any common inhabitants normal for face masks,” says Collins. “Now we have now this downside, that we want youngsters with higher masks, and we have now no normal,” he says.
NIOSH units requirements for occupational masks, just like the N95. However their requirements don’t apply to individuals who want them for common use. Collins says it might probably fall to the FDA to set a regular like that and extra importantly, implement it.
Primarily based on his testing, he recommends that folks attempt to discover a KF94 masks, from South Korea. He says their efficiency is almost equal to an N95, and he’s run into fewer situations of counterfeits with these sorts of masks. If KF94s are bought out, as they usually are, he recommends on the lookout for a KN95 masks from one of many firms that once had an emergency use authorization (EUA) from the FDA for healthcare staff. That EUA has been revoked as provide of N95 masks has elevated, however he says the masks on that record are extra dependable.
