Probably due the tiongs selling their blood.
Here are some facts about HIV/AIDS in China's Henan province where an estimate 300,000 people were infected with the HIV virus
Autoimmune diseases.
They sell the fraudulent test kits for the obvious reasons. Once these sheeple believe they got HIV, they will be so scare and eager to ask for further treatments from the authorities. And the authorities will again jab them with further poison