As health officials cope with concerns about bird flu in China, a different virus is putting experts on alert in other parts of the world.
Cases of H7N9 avian influenza in China have had experts worldwide on edge since the end of March. There is still much to be learned about the new bird flu strain, inspiring researchers in Vietnam to probe deeper.
The summertime heat sends many of us looking for a place to take a nice, cool dip. As you prepare to swim in pools, lakes and oceans, be mindful of what's in the water and how people can contaminate these places.
Many people infected with HIV or hepatitis C aren’t aware of their infections. These unknown infections can strike especially hard in underserved and poor communities.
Parents often wonder what they should do when their child has a fever. Should they give the child medication? Will that help, or could that hurt?