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

Study finds that SARS-CoV-2 arrived in Wuhan, China too quickly for its bat hosts to have carried it there — a dispersal pattern consistent with that of SARS-CoV-1, which caused the 2002 SARS outbreak ...

Twelve people on a family vacation in Costa Rica in December 2024 were sickened with histoplasmosis when they came in contact ...

Superman has had some powerful adversaries over the years. These individuals have historically posed the greatest threat.