Forget the fact you cannot even find them anymore since the bulk are made in (wait for it ... ) CHINA and they ain't shipping 'em here like they used to.
Those that are making it here FedGov is buying up as fast as they can.
Want to protect yourself from the Wuhan/China virus: wash your hands and don't touch your face, nose, ears or mouth with unclean hands.
He has some leftover he bought for the workplace from the H1N1 days, if it were his call, theyd be wearing them now.
That's the reason I use chlorine dioxide for a hand, face and general purpose sanitizer. It has long residual effects because it is like a liquidized gas that can last for several hours. Safe on skin, even at relatively high mixtures (I use 20 drops in a 2 ounce mist bottle that I carry around). You can purify a gallon of drinking water with just 3 drops to give you an idea.