Logically, the modern smallpox vaccine should also contain cowpox -- but it doesn't. It's actually a virus called vaccinia, which a group of scientists discovered, much to their surprise ...

Medical legend has it that Edward Jenner — the father of vaccination — used cowpox virus to protect against the dreaded smallpox. But a new report, published Wednesday, shows a virus closely ...

For centuries, researchers assumed that the active ingredient in the vaccine providing immunity against smallpox was the cowpox virus but a new study otherwise. It is mind-boggling that ...

In particular, these breakaway physicians were convinced that the "bestial humour" – the cowpox virus – had no place within the human body. Among the more ludicrous claims was the suggestion ...

But it’s a little off on one crucial detail: the virus probably didn’t come from a cow. Jenner did collect pus from a cow, so it might seem safe to assume that the cowpox virus provided that ...

This similar virus is cowpox. The cow to the left has been intentionally infected with cowpox virus. The fluid that you collect from virus-caused pustules on the cow's udder contains many copies ...

variola virus (which causes smallpox), cowpox virus and at least six other species. The various pox viruses are named after their usual hosts but this nomenclature may give rise to a false sense ...

The smallpox vaccine is not a form of variola virus, but a preparation of vaccinia (a form of cowpox) virus. In 1796, Edward Jenner, a British physician, demonstrated that infection caused by ...

At the heart of history’s most successful eradication campaign is a mystery. The smallpox vaccine—now also being deployed against monkeypox—contains a live virus that confers immunity ...

During a smallpox epidemic in 1774, English farmer Benjamin Jesty used the cowpox virus to successfully inoculate his wife but did not make his experiment public. In 1716 Lady Mary Wortley Montagu ...