Zardnaar
Legend
Just saw an interesting article about Covid-19’s ability to survive on surgical masks (7days) and cloth (2 days), which really illustrates both why you need to wash your hands AND why experts keep pointing out how to properly remove a mask (from behind your ears).
I've been assuming two weeks.
Article here had a book published in the 30s about Spanish Flu.
Basically hygiene, incinerate, and isolation.
Great grandparents may not have the science but they had common sense.
They closed schools back in 1919.