News tagged with species barrier

Tracking the origins of HIV

Human immunodeficiency virus (HIV) may have affected humans for much longer than is currently believed. Alfred Roca, an assistant professor in the College of Agricultural, Consumer and Environmental Sciences at the University ...

HIV & AIDS Dec 18, 2012 | 5 / 5 (3) | 3 |

Blood groups act as protection against infection

(Medical Xpress)—Humans may have acquired enzymes that make blood groups from bacteria to hinder the spread of viruses in the population, suggests a study led by scientists at the University of Bath.

Medical research Dec 19, 2012 | 5 / 5 (3) | 0 |