Unless there is an outbreak of bacteria, the food you purchase should be safe — right? Perhaps not, according to the group behind a new study of raw chicken.

Flu season is in full swing, and researchers across the country are keeping tabs on the virus' spread.

A new national scorecard has rated how the country is doing in terms of fighting infectious disease, and it seems that some states have been outshining others.

US residents might be familiar with West Nile, and perhaps even dengue, but now a new mosquito-borne illness is showing up closer to US shores.

Structural heart disease is very common in HIV patients. It's possible that the conditions are directly related.

A universal flu vaccine to protect against all strains of the flu doesn't exist yet. But a new one does appear to protect against four flu strains at once.

Human cases of bird flu are no longer unheard of, but the latest case is especially catching the attention of global health officials — it's the first infection with a new strain.

Consumers around the country might want to check the labels on meat in their fridge — a recall of certain products has grown this week.