Hospitals can be full of bacteria, which may be why patients are so prone to infections. And new research suggests that, the longer the hospital stay, the harder infections may be to fight.

The flu sends about 200,000 people to the hospital every year in the US, prompting research into treatment. Now, the FDA is looking at a new treatment that may reduce flu symptoms.

Last week, the World Health Organization (WHO) issued a "roadmap" to guide the international response to what is now the largest Ebola outbreak in history. But Doctors Without Borders said world leaders' responses have been inadequate.

Students are returning to college campuses across the United States. But some may have plans to study abroad — maybe in West Africa. Due to the Ebola outbreak ravaging that region, US health officials are warning against such travel.

Childhood is a rapid period of development for the brain. Music lessons may be one way to support brain growth — especially in underserved youth.

Researchers continue to search for answers in the the West African Ebola outbreak — now the largest in history. One research team has made a discovery that could lead to improved treatments and vaccines for the deadly virus.

With more than 1,500 suspected deaths from Ebola virus disease in the recent West African outbreak, health officials are scrambling to test vaccines that could slow the spread of the virus.