... Epstein and Morris: Concurrent partnerships and HIV: an inconvenient truth Journal of the International AIDS Society 2011 14:13 Submit your next manuscript to BioMed Central and take full advantage ... Sub-Saharan Africa? The Evidence is Limited” AIDS and Behavior 2010, 14:31-33 Epstein H: The mathematics of concurrent partnerships and HIV: a commentary on Lurie and Rosenthal AIDS and Behavior ... with more than one partner, such as in a formal polygamous marriage involving a man and more than one wife (or a woman with two husbands), and less formal arrangements in which man has two girlfriends,...