The virus's long incubation period is making it difficult for investigators to pinpoint where the infection occurred.

Cases span more than a dozen states, with people getting sick from a strain of the bacterium that is showing resistance to a ...

In 2020, there were 13 measles cases in the U.S. In 2025, there were 2,228. Less than halfway through 2026, there have been ...

In Nigeria, controlling infectious diseases such as tuberculosis, Lassa fever, cholera, and diphtheria has long been hampered ...

Global warming will expand the areas where animal viruses are detected, increasing risks in regions outside the tropics.

The CDC warns that "true number of sick people is likely much higher than the number reported." ...

Researchers have developed a powerful new tool that can track how microbes spread between people with unprecedented precision, offering new ways to prevent infections and improve treatments based on ...

Since the family of rodent-borne infections were identified in the 1950s, they have turned up all over the world.

The recent measles outbreak in South Carolina sickened nearly 1,000 people before public health officials got it under ...

The cruise ship carrying almost 150 passengers and crew members remains marooned in the Atlantic Ocean as two ill crew ...