Over the past decade it has become accepted that some T cells play a role in dampening down immune responses. These cells are dubbed regulatory T cells or Treg for short. In lab studies, Treg have been shown to suppress the activation of other T cells, and there is considerable evidence that this re...

Earlier this year the blog covered studies conducted by the Center for HIV/AIDS Vaccine Immunology (CHAVI), which identified a suite of genetic associations with control of HIV replication. Researchers from Sunil Ahuja’s group have now evaluated these associations in a different natural history co...