One of the largest measles outbreaks in decades is spreading along the Arizona-Utah border, with dozens of confirmed cases among unvaccinated children.

Three new illnesses, and one additional death, have been reported in a multistate Listeria outbreak linked to packaged meals.

A new Annenberg poll finds that, despite an increase in US infections, worry about West Nile virus remains low among ...

CBS News is tracking a record number of measles cases around the country after an outbreak in West Texas that led to the ...

When Heather Simpson decided she wanted to become a mother, she began researching healthy lifestyle choices to increase her ...

Some welcome the renewed focus and pledges of research money for autism. Others are outraged by what they consider the ...