Where do #SARSCoV2 & other #coronaviruses come from?
Big survey of SE Asian bats, bat guano, field rats & other wildlife:
- 2,164 samples collected, Jan2013 to Mar2014 from rodents & bats
- 70 sites tested, coronavirus found at 58
- 100% test+ at live rodent trade sites
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Overall
- 34.0% of field rats were positive
- 60.7% + rodent wildlife farm sites
- 94.1% of bat guano farm sites test +
- human wildlife traders 20.7% +
- large market sellers 32.0% +
- restaurant workers 55.6% +
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"We detected avian & bat #coronaviruses in wildlife farm rodents, including Malayan porcupines & bamboo rats, but we did not detect rodent-associated coronaviruses," in those animals.
No samples specifically + for #SARSCoV2 . But points to high risk sites & species.
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Bats & bat guano (used as fertilizer), overall:
- 74.8% of bats & guano samples test + for #coronaviruses
- "indicates the potential risk of bat guano farmers, their families, and their animals being exposed to bat coronaviruses."
Pre-print:
https://www.biorxiv.org/content/10.1101/2020.06.05.098590v3.full.pdf