[BobL]

“New York City is now advising residents to cover their nose and mouth with a scarf, bandana, or a piece of clothing while out in public to limit the spread of coronavirus”

A start. Too bad CDC says masks don’t work, or they may consider that too.

[cgbg]

scarf, bandana, or a piece of clothing while out in public to limit the spread of coronavirus

I guess it is unfair to nitpick at this point, but one reason this is also important is to lower the viral load (even if the PPE fails). That gives the immune system a better chance to fight the virus with generally better outcomes, including lowering the rate of hospitalization.