As history tells it, young Edward Jenner heard a milkmaid say she'd had cowpox so couldn't get smallpox. And thus his idea for a vaccine was born. Now a researcher has fact-checked the tale.

For centuries, researchers assumed that the active ingredient in the vaccine providing immunity against smallpox was the cowpox virus because Jenner took pustular material from milkers infected ...

People line up in Paris to receive their smallpox vaccine in 1942. People line up in Paris to receive their smallpox vaccine in 1942. LAPI/Roger Viollet/Getty Images The world's very first vaccine ...

Within months of publication, Jenner’s cowpox vaccine became the major means of preventing smallpox, especially across Europe and in the United States. In 1801, ...

A long-standing mystery. For more than two centuries, the central element of this story — that cowpox was the source of Jenner’s smallpox vaccine — has remained unchallenged, at least in ...

A vaccine against COVID-19 would be the latest success in a long scientific history. ... and known by the name of the cow pox. Still, the content—if not the marketing plan—was a sensation.

A century later, in the 1790s, in England, Edward Jenner invented the cowpox vaccine, the world’s first vaccine, an advancement that would transform how smallpox was treated worldwide.

Smallpox was eradicated in 1977. This amazing, global public health achievement isn’t just a page in a history book or an ...

The best-known version of the smallpox-vaccine story goes like this: In 1796, the British doctor Edward Jenner noticed that milkmaids exposed to a mild disease called cowpox were unusually ...

Though Edward Jenner had discovered in 1797 that pus from a cow’s cowpox blisters could be used as a vaccine, the majority of the world had no access to the inoculation. Cowpox was such a local ...

The piece, dated Oct. 11, points to monkeypox, smallpox and cowpox being listed on the WHO’s VigiAccess, opens new tab website under the Pfizer-BioNTech COVID-19 vaccine as evidence that the WHO ...