Gene Variants May Help Fend Off HIV Infection13 years, 7 months ago
Posted on Dec 14, 2004, 4 a.m.
By Bill Freeman
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.