Twelve of 13 members of one family fell ill upon returning to the United States from a Costa Rica trip in late December. A ...

An Allegheny County resident has been linked to a multistate salmonella outbreak, the health department announced on Thursday.

Prior to the report, the family had visited the Venado Caves in Costa Rica, which was linked to a previous histoplasmosis ...

Preliminary data from researchers in China suggest the NB.1.8.1 variant is not better at evading the immune system compared ...