Gene Variants May Help Fend Off HIV Infection

A team of researchers based partly in South Africa has identified a key set of immune system molecules that helps determine how effectively a person resists infection with human immunodeficiency virus (HIV). Their work shows that mothers with a specific type of genetic makeup may be less likely to pass HIV to their offspring.
http://www.sciencedaily.com/releases/2004/12/041208230338.htm