The most important vaccines in history have prevented the spread of debilitating, infectious diseases like polio, smallpox, ...

In fact, anti-vaccine leagues began as a reaction against government vaccine mandates, as well as a backlash against ...

Smallpox is caused by the variola virus, which can be spread though infectious droplets that are exhaled as people talk, cough, or sneeze. It seems like smallpox has infected humans for as long as ...

More than two years into the COVID-19 pandemic, people are getting used to the idea that the virus isn't going to disappear. Scientists predict that COVID will likely become endemic, a permanent part ...

Smallpox is a deadly virus. It's been around at least since the third century BCE in the Egyptian empire. At one point, it killed almost one in three people who had it. And in the 20th century alone, ...

Smallpox was certified eradicated in 1980, but I first learned about the disease's twisty, storied history in 1996 while interning at the World Health Organization. I was a college student fascinated ...