China has two separate HIV epidemics

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The red zone (Henan, Hubei, Shanxi, Shanxi, Hebei, Shandong, Anhui) is caused by unhygienic blood collection practices. The population in this affected area is around 434 million.

The orange zone (Yunnan, Guangxi, Sichuan, Xinjiang) is caused by IV drug users. The population in this affected area is around 191 million people.

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