A rare snow leopard at the San Diego Zoo that hadn't been vaccinated has tested positive for coronavirus. But the zoo is continuing to roll out shots to protect other animals. Last Thursday, wildlife care specialists noticed the snow leopard had a cough and nasal discharge, the zoo said in new release. Preliminary tests confirmed the virus that causes Covid-19. The zoo said it doesn't know how the snow leopard got infected. According to the Snow Leopard Trust, there may be only about 4,000 to 6,000 snow leopards left in the world. In January, the zoo started vaccinating its animals
