bungy234, I don't think the main concern about the spread of the virus is controlling the air in hospitals. I think the main concern is the spread from people who don't know they have the virus and at the early stage show no symptoms. They are the ones who one will be sitting next to on the bus, train etc.
Having said that, I hope and pray that this virus will not mutate and cause pain to us all.
bungy234, I don't think the main concern about the spread of the...
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