Smallpox, one of the biggest killers in history, is caused by a virus called variola. Variola causes a distinctive rash and is often lethal. The name variola comes from the Latin word for “spotted” ...

Not so with smallpox. To create this vaccine, you begin with another virus that is similar to the smallpox virus, yet different enough not to bring on the smallpox disease once it enters your body.

Smallpox, or variola, virus has killed more human beings than any other infectious agent. Fortunately, smallpox virus has only one host-humans -- which made it possible to eradicate it. In 1967, the ...

Samples of smallpox virus are not needed for the production or further development of new vaccines or drugs because animal model poxviruses are used instead. If smallpox were to be genetically ...

Written by a French-speaking immunologist and translated into English, the book deals less with the eradication of smallpox than ... transmission of live pox virus and itself was occasionally ...

Many other sufferers were left disfigured. Thanks to a successful, widespread implementation of the smallpox vaccine, the virus was declared “extinct” in the United States in 1952. In fact ...

It also states that preparing for the return of smallpox is key to preventing the spread of other diseases caused by viruses within the same family, like the mpox virus, which became a global ...

Copyright: Published by Elsevier Ltd. Smallpox, the first disease eradicated through a global vaccination programme, might have shaped human evolution by its high ...

The CDC said it has notified the World Health Organization (WHO), which oversees an international agreement on the security and safety of smallpox virus samples at two designated repositories: one at ...

Twenty years later, in 1796, Edward Jenner determined that inoculation with cowpox, a far milder virus, conferred equally powerful immunity against smallpox. He named the procedure “vaccination ...