Coronavirus tests by the US government and other scientists "found that viable virus could be detected up to three hours later in the air, up to four hours on copper, up to 24 hours on cardboard and up to two to three days on plastic and stainless steel.”https://apnews.com/fe0239e95b8ad1037639ed833b990e48 …
Hospital in HK put out this video: https://youtu.be/aNjpH5lBZ8w Every country that has this remotely under control is recommending wearing some kind of protection in public.
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To stop the spread of it if you are already sick.
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Okay, let's game this out. You have a cold. Face protection is worn only by the sick. Do you put on a mask and single yourself out as potentially infected? Or just try not to cough?
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