Richard Knox

Scientists say a Mississippi child has been cured of HIV. The research findings, released Sunday, could help cure other HIV-infected newborns.

There's great enthusiasm among some global health leaders about a bold – some say radical — strategy to prevent pregnant women from transmitting HIV to their newborns.

But skeptics worry that the approach, dubbed Option B+, will pit pregnant women with HIV against others infected with the virus, diverting ...

HIV has been declining in many parts of the world over the past decade. Today the U.S. unveiled an ambitious plan to stop most new HIV infections around the world. But some health lea...

Public health officials are trying to strike a balance between alerting, diagnosing and treating patients who might be at risk of fungal infections — and not overdiagnosing and overtr...

Little is known about how to diagnose and treat this kind of meningitis, which was caused by a tainted drug. And the investigation into how the drug contamination occurred is revealin...

A steroid drug administered to relieve back pain has been contaminated by the spores of a common leaf mold. Five deaths have been reported so far.

Every state except Alaska and Hawaii has reported West Nile virus in people, birds or mosquitoes. The Centers for Disease Control and Prevention expects human cases will rise through ...

Icelandic scientists have found solid evidence that older men have more random mutations in their sperm cells. They're warning that can cause autism, schizophrenia and a long list of ...

Public health officials hope OraQuick, which just won the FDA's approval, will help identify some of the nearly quarter-million Americans who are infected with HIV but don't know it. ...

Voters are hearing a lot about health care this year. Republicans want to make the 2012 elections a referendum on the health care law that President Obama signed two years ago.

That law was largely based on one that then-Gov. Mitt Romney signed into law nearly six years ago ...

AIDS researchers dealt the disease a major blow in 2011 by showing that antiviral drugs not only save the lives of infected people, they also stop them from spreading the virus.