DIFFERENT variants of HIV are passed from men to women than those that go from women to men, according to Oliver Laeyendecker of the US National Institute of Allergy and Infectious Diseases in Bethesda, Maryland.
His team’s finding is based on a small study of 10 couples in Uganda. The team compared the HIV variants in each partner to determine which were passed on.
“During sexual transmission, the virus goes through an evolutionary bottleneck,” Laeyendecker told a conference in Boston. Understanding why certain variants are more likely to be passed from male to female, and others from female to male, might help with the design of…
