A new national wastewater map is offering a window into the spread of the highly contagious norovirus across the United States.

Though it is commonly called the "winter vomiting disease," norovirus outbreaks are still cropping up around the country in ...

The rapid spread of Africa’s Ebola outbreak is driven by a new strain known as Bundibugyo. Maps, charts, and data ...

A global hantavirus outbreak linked to the MV Hondius cruise ship has led to multiple infections and deaths across several countries. In the US, five states have recorded the highest ...

The World Health Organization has declared that an outbreak of Ebola in Central Africa is a public health emergency. Health officials are racing to trace contacts as the count of suspected cases rises ...