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#COVIDisAirborne is a popular hashtag created on Twitter during the COVID-19 pandemic. 

The first use of the hashtag was on March 31, 2020 in a tweet by Twitter user @Kimberl06724725. The #COVIDisAirborne hashtag was used sporadically from that point onward but didn't pick up traction until Nov 2nd, 2020 when the "#COVIDisAirborne" petition was created on the Change.org platform urging the WHO to "urgently promote broad awareness of aerosol transmission."

The accompanying tweet was when the #COVIDisAirborne hashtag first went viral. Shortly thereafter, many scientists and engineers on Twitter such as Dr. Kimberly Prather, Dr. Jose-Luis Jimenez, Dr. Cath Noakes, Dr. Eric Feigl-Ding began using the #COVIDisAirborne in their tweets about the aerosol spread of COVID-19 (e.g. 1, 2, 3, 4)

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