Unverified data about events after vaccinations is not evidence that the vaccine caused the event, as suggested in social media posts making the false claim that the World Health Organization (WHO) ...

Smallpox has been eradicated worldwide since 1980 and is not held in check by vaccines, contrary to posts suggesting the deadly virus may circulate again if vaccines become optional. The posts were ...

ATLANTA (AP) -- Stuck with 30-year-old data about the effects of the smallpox vaccine, federal officials have created a comprehensive system to track and monitor those who may receive the shots. The ...

Vaccines against smallpox given until the mid-1970s offer continuing cross-reactive immunity to mpox (previously known as monkeypox), researchers report. Vaccines against smallpox given until the ...

NASHVILLE, Tenn. (AP) - A week after she was given an experimental dose of smallpox vaccine, Elizabeth Forrester's arm became swollen, her head throbbed and she felt tired and feverish. "At one point ...

In 1764, father Leopold Mozart denied his son Wolfgang Amadeus Mozart a 98.5% safe vaccine against smallpox. What was the result? Three years later the world’s greatest prodigy contracted a severe ...

A Nov. 15 Facebook post (direct link, archive link) from the liberal group Occupy Democrats includes side-by-side images of a child infected with smallpox and Robert F. Kennedy Jr., President-elect ...