Main article: Henan Blood Disaster
Dr. Gao Yaojie was the first to expose the phenomenon of farmers selling blood to contract HIV in some rural areas of the province caused by the government health department selling blood products for profit. The incident has been exaggerated by some as the "Henan issue". However, Gao Yaojie and others then pointed out that this problem is widespread in the rural areas of most provinces, autonomous regions and municipalities on the mainland, and Gao Yaojie pointed out that AIDS infection caused by blood sales and blood transfusions is definitely not an isolated case. Again, this is not a problem for Henan province alone. It's just that Henan has a Gao Yaojie and lifted the lid on Henan, and other provinces, more serious than Henan abound, in the mid-nineties, many Henan farmers went there (other provinces) to sell blood. At the end of last year, newspapers revealed that a blood seller infected 19 people by illegally collecting blood from Bei'an Farm Hospital in Heilongjiang. In a year and a half, an HIV-infected person surnamed Song in Dehui City, Jilin Province, sold blood to the government blood bank 17 times in a row, causing 21 people to be infected with HIV