Published March 6, 2021, 10:13 AM Nine great apes at San Diego Zoo have become the first non-human primates given Covid-19 vaccinations, officials at the California zoo said Friday. This handout photo released by San Diego Zoo Global on January 25, 2021 shows silverback gorilla Leslie (L) and gorilla Imani recovering after a diagnosis of SARS-CoV-2, the virus that causes Covid-19, in several troop members at the San Diego Zoo Safari Park earlier that month, in San Diego, California. (Photo by Ken Bohn / San Diego Zoo Global / AFP / MANILA BULLETIN) Four orangutans and five bonobos were given two doses each of an experimental vaccine created specifically for animals by a veterinary pharmaceutical company.