This definition appears very rarely
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Samples in periodicals archive:
The mode of transmission of HIV/AIDS in Papua New Guinea is predominantly heterosexual activity, with most cases occurring among people aged 20 to 40, according to a 2006 report by the National AIDS Council Secretariat and National Department of Health. The ratio of HIV-infected women to men is about one to one. Those most at risk include sex workers, their clients, and the partners of clients. In 2006, HIV prevalence of 14 percent was found among female sex workers in Port Moresby, according to UNAIDS.