Long-term antiretroviral therapy helps people with HIV reduce the risk of pneumonia and shingles by strengthening the immune ...

Researchers report that ancient viruses may be to thank for myelin -- and, by extension, our large, complex brains. The team found that a retrovirus-derived genetic element or 'retrotransposon' is ...

Endogenous retroviruses are remnants of ancient viral infections that have integrated into the germline DNA of their hosts, becoming a permanent part of the host genome. These viral sequences, once ...

In 1981, physicians in Los Angeles reported five young patients with Pneumocystis pneumonia, a rare lung infection later recognized as the first sign of HIV infection and a defining illness of AIDS.

People with HIV on long-term antiretroviral therapy and with CD4 counts above 500 face infection risks similar to the general population, a new cohort study finds.