…A survey conducted by UNAIDS and China, found 23.3 percent of 2,096 HIV-positive workers claimed they had been denied employment, and many did not expose their positive status for fear of discrimination...China began implementing a regulation on HIV/AIDS prevention and treatment in 2006...Xue Cheng, an officer with UNAIDS, said the problem facing China was not so much lack of policies or laws, but a shortage of detailed regulations and a lack of supervision of law enforcement...