Discover and read the best of Twitter Threads about #COVISisAirborne

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Lockdowns are the crudest possible form of public health intervention. Far better is to identify the correct mechanism of spread for a pathogen and use that insight to control the infection at its source: just as we did with cholera in the 19th century Image
In London, cholera outbreaks in 1832 and 1849 killed a total of 14,137 people, because the Thames had become severely contaminated by overflow from sewerage. They'd got the mechanism of spread wrong, thinking it was spread in the air by "miasmas" en.wikipedia.org/wiki/1854_Broa… Image
The "miasma" theory is very archaic. "Malaria" for example means "bad air" in Italian. Medieval plague doctors wore respirators with aromatic scents in them to ward off the foul-smelling "miasmas" to avoid getting infected en.wikipedia.org/wiki/Plague_do… Image
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