Researchers at Wake Forest University Baptist Medical Center have disproved a long-standing clinical belief that the hepatitis C virus slows or stunts the immune system's ability to restore itself…

A genetic variation which evolved to protect people of African descent against malaria has now been shown to increase their susceptibility to HIV infection by up to 40 per cent, according to new…

A new study of African lions says climate extremes, which would include the increased frequency of droughts and floods predicted by global warming models, can create conditions in which diseases that…

Leprosy, attributable to infection with Mycobacterium leprae, was once endemic over much of the world. Though now often considered a “tropical disease,” cases occurred north of the Arctic Circle just…

By disrupting the potassium channel of the malaria parasite, a team of researchers has been able to prevent new malaria parasites from forming in mosquitoes and has thereby broken the cycle of…

Researchers have demonstrated the possibility of preventing the human malaria parasite, Plasmodium falciparum, which is responsible for more than a million malaria deaths a year, from becoming…

Alzheimer’s disease (AD), the most frequent cause of dementia, is a form of amyloidosis. It has been known for a century that dementia, brain atrophy and amyloidosis can be caused by chronic…

A new study reveals the genetic identity of human immunodeficiency virus (HIV), the version responsible for sexual transmission, in unprecedented detail. The finding provides important clues in the…

On the 25th anniversary of the first scientific article linking a retrovirus to AIDS, Anthony S. Fauci, M.D., director of the National Institute of Allergy and Infectious Diseases, reflects on his…

Red colobus monkeys in a park in western Uganda have been exposed to an unknown orthopoxvirus, a pathogen related to the viruses that cause smallpox, monkeypox and cowpox. Most of the monkeys…