A review of a 2014 incident in which mystery vials of smallpox were found at the NIH reveals security weaknesses, but also concludes the response was appropriate. 

A high-security tuberculosis lab at the US Centers for Disease Control and Prevention may return to transferring hazardous materials.

Following recent high-profile safety lapses in government labs, the US Centers for Disease Control and Prevention has placed a moratorium on movement of biological materials from BSL-3 and BSL-4 facilities.

Employees packing up an old storage unit run by the US Food and Drug Administration uncovered 16 forgotten vials of smallpox.

Scientists urge the World Health Organization to delay destroying the last remaining laboratory stocks of live variola virus because there’s more research to be done.

A genetically engineered smallpox vaccine improved the survival of liver cancer patients participating in a phase II clinical trial.

The story of the US government’s efforts to stamp out smallpox in the early 20th century offers insights into the science and practice of mass vaccination.

In Chapter 5, "The Stable and the Laboratory," author Michael Willrich explores the burgeoning vaccine manufacture industry that ramped up to combat smallpox epidemics in turn-of-the-twentieth-century American cities.

The World Health Organization is remaining mum on the issue of maintaining laboratory stocks of the smallpox virus, which the US government wants to preserve for the next five years.