Humans have a built-in weapon against HIV, but until recently no one knew how to unlock its potential. A study published in Nature reveals the atomic structure of this weapon, an enzyme known as…

It used to be that being buried under a pile of large, sweaty men was the worst thing that could happen to you playing Rugby - but then it turned out a herpes virus can cause a skin disease called "…

For a long time scientists have been puzzled by the fact that the immune system in the gut is capable of fighting toxic bacterial infection while staying, at the same time, tolerant to its resident “…

Dr. Ed Corboy had no idea what was afflicting his 80-year-old mother, Joan Corboy. All he knew for certain was that since being treated for what was a routine diarrheal infection, she seemed to be…

Researchers at Johns Hopkins say they have compelling evidence that some people with HIV who for years and even decades show extremely low levels of the virus in their blood never progress to full-…

High levels of testosterone may be a key factor in spreading disease among mice, according to biologists. The findings could help explain why males in a population are often more likely to get…

University of Minnesota researchers have answered a key question as to why antiretroviral therapy isn't effective in restoring immunity in HIV-infected patients. Once a person is infected with the…

Tijuana, with an estimated population of 1.4 million, is the largest city on the U.S./Mexican border. In addition to being a major transportation route for migrants headed to the United States,…

Scientists hope a vaccine is on the horizon for tularemia, a fatal disease caused by the pathogen Francisella tularensis, an organism of concern as a potential biological warfare agent. Until…

Typhoid fever kills 10–30% of untreated people. One of the best-known cases was that of Mary Mallon, a healthy carrier of typhoid, who worked for many years in the food industry in New York and is…