An outbreak of the chikungunya virus in southern China has prompted a strong government response as cases climb into the thousands. The disease, which is spread by mosquitoes, is most prevalent in the ...

The U.S. Centers for Disease Control and Prevention has issued a new health advisory about the latest outbreak of Ebola virus disease in the Democratic Republic of Congo. Thirty-seven confirmed cases ...

The CDC has issued a travel warning for Americans heading to China as the country battles an outbreak of chikungunya virus, with thousands of people infected by the mosquito-borne illness. What is ...

An outbreak of norovirus, a highly contagious stomach bug that causes vomiting and diarrhea, has sickened more than 90 people aboard a Royal Caribbean International cruise ship. At least 94 passengers ...

As birds fly south for the winter, they're carrying with them some unwelcome cargo: the H5N1 virus, or bird flu. In the past 30 days, the virus has struck 66 poultry flocks, leading to the deaths of ...