2019–20 Brucellosis outbreak
More than 6,000+ in some other records 55, 725 tinest tested positive. the infected people in the first record reached 3, 745, November 2020 the disease worsened in the whole city of "Lanzhou", this disease came from domestic animals Sheep, Goats, Cows, Pigs and even Aso has been the case in some countries. The cause of this in humans is that if a pet is infected with its owner, it can also be infected or transmitted quickly, it can be transmitted to humans through milk, cheese or any semen that comes from the infected which is a pet.