Squirrels with pox and rabbits with horns. Learn more about the viruses impacting these small mammals.

In July 2022, the World Health Organization (WHO) announced that monkeypox was a public health emergency of international concern. And, as of early December 2022, more than 82,000 human monkeypox ...

The symptoms of monkeypox resemble those of smallpox, a disease that has already been eradicated. Until recently, the virus causing it was found only in Central and Western Africa. Its natural ...

The chicken pox vaccine became available in the U.S. in 1995 and, since then, cases of the virus in the U.S. have plummeted. But chicken pox still emerges from time to time.

Monkeypox, caused by the monkeypox virus—a close cousin of smallpox—has spread rapidly worldwide. From 2022 to 2025, more than 133,000 cases were reported across 131 countries. In August 2024 ...

Using cryo-microscopy, researchers present a high-resolution structure of monkeypox virus DNA polymerase holoenzyme, a complex that plays a key role in the genome replication process of the virus.