When European diseases wiped out up to 90% of the Americas' population, abandoned farmland was swallowed by forests—pulling enough carbon from the air to help plunge the planet into a centuries-long ...

By William J. Broad In 1999, William J. Broad and two colleagues wrote a comprehensive article on the past, present and future of the smallpox virus. Feb. 12, 2025 President Trump’s order that ...

View Full Profile. Learn about our Editorial Policies. Thanks to a Cold War-era division of responsibility, smallpox has been held in just two places in the world since 1984: at the CDC labs in ...

Monkeypox is a disease caused by the monkeypox virus, a pathogen closely related to variola virus, which causes smallpox. Monkeypox and smallpox infections trigger similar symptoms, but monkeypox ...

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 ...

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, 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” ...

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Today there is mounting concern about the threat of a bioterrorist attack using smallpox—so much concern that in October 2001 the American government decided to order enough vaccine to protect ...

Symptoms of monkeypox can also be compared with smallpox — a related virus that was declared eradicated in 1980. Like smallpox, monkeypox causes pus-filled boils. But monkeypox is generally ...

smallpox virus already have protection? The US Centers for Disease Control and Prevention (CDC) isn’t betting on it.