China: Zhengli & Daszak – Human-animal interactions and bat coronavirus spillover potential among rural residents in Southern China

Zhengli & Daszak study, September 2019 –  “We conducted a cross-sectional study in the districts of Yunnan, Guangxi, and Guangdong, China…  Serological testing of serum samples from 1,497 local residents revealed that 9 individuals (0.6%) in four study sites were positive for bat coronaviruses, indicating exposure at some point in their life to bat-borne SARSr-CoVs (n=7, Yunnan), HKU10-CoV (n=2, Guangxi), or other coronaviruses that are phylogenetically closely related to these.  More...

More than 60 animals confirmed with Sars-Cov-2 infection

Of the more than 60 animals confirmed with SARS-CoV-2 infection in a study of more than 450 animals living in the Brazos County area Texas A&M study, less than a quarter were reported to show signs of disease around the time of the owner’s diagnosis, most commonly including sneezing, coughing, diarrhea, or being less active than normal.  More...

Mutations arising in SARS-CoV-2 spike on sustained human-to-human transmission and human-to-animal passage

“Spike mutations have also occurred during interspecies transfers of SARS-CoV-2 from humans to animals, both during establishment of experimental models of COVID-19 and as an unintended consequence of human interactions with domestic, curated and commercial animals.”  More...