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young adults, 2020 virus, pre-vaccines.
https://www.nature.com/articles/d41586-022-00319-9
https://www.researchsquare.com/article/rs-1121993/v1
18 out of 34 infected by one nasal drop.
symptoms and high viral loads start within 40 hours of exposure. lateral flow test (LFA) isn't positive until 4 days after exposure. viable virus detected out to 12 days after exposure; LFA turned negative 1-3 days after last viable virus. So LFA is good for "test to release", not so good at catching early low-symptom infectious period.
70% lost smell or taste. 5 out of 18 (28%) had smell disturbance 180 days later.
https://www.nature.com/articles/d41586-022-00319-9
https://www.researchsquare.com/article/rs-1121993/v1
18 out of 34 infected by one nasal drop.
symptoms and high viral loads start within 40 hours of exposure. lateral flow test (LFA) isn't positive until 4 days after exposure. viable virus detected out to 12 days after exposure; LFA turned negative 1-3 days after last viable virus. So LFA is good for "test to release", not so good at catching early low-symptom infectious period.
70% lost smell or taste. 5 out of 18 (28%) had smell disturbance 180 days later.