A new strain of mpox has been confirmed on American shores after a traveler returned to California from a visit to Africa, ...

Increasing global temperatures wrought by greenhouse gas emissions have boosted the number of dengue cases, new research shows.

So far, there have been 52 confirmed cases of avian influenza, commonly referred to as the "bird flu," in humans in 2024. Two of the infected patients have been in Missouri.

When the Centers for Disease Control and Prevention published data in May that showed overall progress in reducing new HIV infections, everyone breathed a sigh of relief — and had the sense that the ...