orangutan to get open-heart surgery in the world has been given a Covid jab following an outbreak at a zoo in California, US.Karen was among four orangutans and five bonobos who were inoculated after eight coughing gorillas tested positive for the virus.Zookeepers distracted the simians with treats as they administered veterinary pharmaceutical firm Zoetis's jab last month.The experimental animal vaccine had only been tested on cats and dogs and could be used on the zoo's lions and tigers next.San Diego Zoo's chief conservation and wildlife health officer, Nadine Lamberski said that there have been no adverse reactions to the jabs and the apes are doing well.She told National Geographic: "We commonly use vaccines designed with dogs and cats.