Two gorillas at the San Diego Zoo Safari Park have tested positive for, the zoo announced Monday. A third gorilla is symptomatic but did not test positive, and several others may also be infected, the zoo said.
The gorillas' fecal matter was tested after two of them began coughing and exhibiting "other mild symptoms" on January 6, the zoo said in a press release. The tests came back positive on January 8 and were confirmed by the USDA's National Veterinary Services Laboratories on January 11.
It is believed the gorillas may have been infected by an asymptomatic staff member.
So far, zookeepers say the gorillas appear to be doing well. While only two of the gorillas tested positive, the zoo said it must assume all of them have been exposed since they live together. Lisa Peterson, the park's executive director, told The Associated Press on Monday that eight gorillas are believed to have the virus.
"They are being closely observed and there is nothing to suggest today that they won't make a full recovery," the zoo said. It's believed to be the first instance of the coronavirus being transmitted to great apes.
The zoo said it cannot say for sure if the gorillas will develop any other symptoms, but noted the gorillas exhibiting symptoms are being attended to by veterinarians and the rest of the gorillas are being "carefully observed."
The zoo has been closed to the public since December 6, according to CBS affiliate KFMB-TV.
Animal populations have not been affected by the coronavirus nearly as much as humans, although ain New York tested positive last April. In November, Denmark culled more than following an outbreak of a mutated version of the coronavirus. Some feared if the new strain was passed to humans it could have been resistant to the vaccines that were in development at the time.
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