Peter Brazutis

INTERNATIONAL EFFORT: Yunzhen Cao left the Aaron Diamond AIDS Research Center in New York last summer to set up an AIDS research lab in China. Her researchers will be trained at Aaron Diamond, whose David Ho is pictured on the wall.

Epidemiogical Deficiencies

Epidemiological studies in Yunnan Province1 indicate that in some areas there is a high rate of HIV-seroprevalence among IV drug abusers--in some places as high as 85.7 percent. Furthermore, the infected drug users are transmitting the virus to their spouses: by 1997, 12.3 percent of spouses were seropositive. Only 3.1 percent were seropositive in 1990. These figures should indicate that infected mothers are giving birth to HIV-infected babies; however, according to virologist and clinician Yunzhen Cao, head of the clinical virology division of NCAIDS, only eight cases of maternal-fetal transmission have been reported in China. But such data are unreliable, as there have not...

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