Severe flu infections can lead to a range of deadly complications, especially in people whose immune systems are compromised by age or disease.

For Caetano-Anolles, co-evolution from a single common ancestor seems to be the most likely origin of viruses and bacteria.

It is just as safe and effective for people with HIV in need of kidney transplantation to get their organ from donors who are also HIV positive as it is from donors who are not infected with the virus ...

A new study gets scientists closer to more fully understanding where viruses fit into the global ocean picture of cycling nutrients such as nitrogen, phosphorus and, of particular interest, carbon.

Human Immunodeficiency Virus (HIV) infection remains a significant global health challenge, affecting millions of individuals ...