Once introduced into the Americas, smallpox spread everywhere. Is it possible to know how often that was done intentionally to kill people?
The quest to “conquer” influenza with a shot that could be used every year started out with high hopes, and ended up a hot mess.
Bats have a unique genetic ability to tolerate many viral infections. Can humans uncover their secrets?
Eastern Equine Encephalitis may be brewing in the bog near you. Should you worry?