leading to redness and irritation of the eyes. These symptoms typically develop within 7 to 17 days after exposure to the virus, with an average incubation period of about 12 to 14 days. Smallpox ...

The smallpox came in the mail, in a little piece of 350-year-old human skin. And the surprise discovery is dramatically rewriting the history of one of the most notorious diseases to plague humankind.

including the mouth and eyes. When these lesions blackened and peeled off, they emitted a sweet and pungent odor known as the "smallpox smell." The disease originated more than 3,000 years ago in ...

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.

They caused empires to fall and new ones to arise. Smallpox first emerged around 68,000 years ago. We have no idea how many people it has killed, but we do that in the 20th century alone it killed ...

Written by a French-speaking immunologist and translated into English, the book deals less with the eradication of smallpox than Jenner's contributions to the development of vaccination and the ...