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 ...

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

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 was eradicated in 1977. This amazing, global public health achievement isn’t just a page in a history book or an entry in Wikipedia, it is highly relevant today. Understanding the ...

Scientists went to extraordinary lengths to eradicate smallpox from the world. Rahima Banu is now recorded as having the last known... How Rahima came to hold a special place in smallpox history — and ...