"Believe Nothing: no matter who said it, even if I have said it, except it agree with your own reason and common sense. Siddhartha Guatamo, the Buddha.
I have been exposed to this bug three times now. I was in a truck cab with a person that had it, for 7 hours at the end of January in one instance.
Never had a sniffle.
But the real reason is under #2 “Because they are being deceitful, I do not trust them, and want nothing to do with their medical treatment.“ Emphasis mine