Can nurses do the job of a doctor? When it comes to providing HIV care in areas where doctors are in short supply, transferring some duties to nurses might mean major benefits.

While some vaccines can be given once and offer protection for life, others require booster shots and still may wear off over time.

We know that the spread of HIV/AIDS is not bound by borders. But it has hit some parts of the country harder than others – a startling fact when seen on a map.

Rheumatoid arthritis patients are commonly treated with anti-TNF medications. As with many arthritis drugs, there are concerns that anti-TNF drugs may lead to some serious side effects.

When California had the highest number of pertussis cases in six decades in 2010, public health officials took notice. Pertussis (whooping cough) is especially dangerous for babies.

There may be more to home field advantage than just familiar surroundings and local fans. Crossing a few time zones more than doubled some athletes’ sick days.

A day at the county fair is one of the hallmarks of summer in America. But you might want to skip the pig races this year: new swine flu cases have been linked to pigs at agricultural fairs.

An outbreak of West Nile virus is one of those summer rituals we don't look forward to. Unfortunately, in some parts of the country, the virus is making itself more present than usual.

Severe sepsis is a life-threatening event that can often leave a patient disabled. Spouses of severe sepsis patients have reported experiencing increased levels of depression.