Our new preprint led by Hawks and Duggal shows infectious virus emitted in air from hamsters (upper right) on days 1-2 but not later, even though RNA still there (lower right).
biorxiv.org/content/10.110… /1
biorxiv.org/content/10.110… /1
We used a condensation particle sampler with & without cyclone. Saw similar amounts of infectious virus, so it's mostly <8 μm.
8-μm particles can float around for at least 13 minutes, and the smaller ones stay in the air for hours. /2
8-μm particles can float around for at least 13 minutes, and the smaller ones stay in the air for hours. /2
Sampling method does not exclude potential for resuspension from fur and ground, but there was more virus in oral swab & nasal wash than on fur. Either way, though, there's infectious virus in the air. /3
Paraphrasing @cpita3: Some will argue that these are hamsters and not humans, so it doesn't prove anything. Recall that gold standard evidence for tuberculosis was Wells' study with guinea pigs. Also Lednicky showed infectious virus in hospital & car. /4
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