One careless download. One email attachment. That’s all it’s ever taken to bring billion-dollar systems crashing down. Over ...

OK, this sounds worse than it is: A vial containing a potentially deadly virus has gone missing from a Texas laboratory. But you really shouldn't freak out because everything is going to be fine and ...

HIV antivirals may be the key to stopping HTLV-1, a deadly virus with no cure. In a decade-long study, researchers successfully suppressed the virus in mice and discovered a way to kill infected cells ...