Gastrointestinal illnesses on cruise ships hit a 12-year high in 2024, and 2025 has been even worse, with cruise lines seeing an entire year's worth of outbreaks in only the first quarter of the year.

Germ theory is the idea that pathogens can invade the human body and cause disease — and it wasn't always accepted. Evidence for germ theory accumulated over time, and as it did, it butted against ...

In recent months, the U.S. government has taken steps to defund and dismantle key infectious disease programs, including a National Institutes of Health lab that has contributed to groundbreaking work ...