There are plenty of articles that show the opposite too... You can find anything to support an argument in a scientific journal, eg.
Female Genital Cutting and HIV/AIDS among Kenyan Women
Kathryn M. Yount and Bisrat K. Abraham
Studies in Family Planning
Vol. 38, No. 2 (Jun., 2007), pp. 73-88
This one suggests that women are MORE likely to be affected by HIV/AIDS...