Ironically the etymology of quarantine comes from quarantena "40 days" in old Italian. In 1448, to fight the Black Plague the Venetians raised the waiting period in trading ships from 30 to 40 days-a very successful measure as it took 37 days from infection to death by the plague
Replying to @luismbat
I learned this from a Dan Brown novel.. Inferno, if I’m it mistaken
11:03 PM - 20 Mar 2020
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