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Masks to protect against avian flu
Here’s some things to look out for if you, like me, decide to go online and order some surgical masks to have on hand in case the avian flu mutates into a human strain and our streets start looking like this photo. As ABC News reported recently, “Bird flu concerns make masks hot commodity.” This story says that to be effective, masks should have an “N95” rating: “This means that the respirators filter out at least 95 percent of airborne particles during testing using a ‘most-penetrating’ sized particle of 0.3 microns.” That also was the advice on an OSHA web…
