 The bans were poorly enforced by some local governments, prompting central authorities in August 1985 to issue another notice nationwide, reiterating the ban and ordering all sub-national governments to comply.On 30 January 1986, all blood products, with the sole exception of human serum albumin, were banned from import into China for both organizational and personal use.In 1989, central authorities became aware of a large outbreak of HIV/AIDS in western Yunnan province, in the border city of Ruili.