More than four decades after smallpox was eradicated, scientists are reassessing the legacy of that public health triumph.

Please provide your email address to receive an email when new articles are posted on . The end of smallpox vaccination in the Democratic Republic of Congo is responsible for some of the mpox surge ...

WASHINGTON -- Millions of Americans already vaccinated against smallpox may retain at least some protection many years later, a study indicates. Medical experts have assumed that protection from the ...

It all started with an unremarkable trip to grandma’s house in 1970. But two days into the visit, something went terribly wrong. The 9-month-old grandson fell ill. First, a fever. Then, a nasty rash.

Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...