![Emerging Infectious Diseases show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/030/903/small/emerging-infectious-diseases.jpg)
Summary: This podcast discusses an outbreak of vaccinia virus in Maryland in 2008. Christine Hughes, a health scientist with the Poxvirus and Rabies Branch at CDC, and co-author of a paper in the April 2011 issue of CDC's journal, discusses vaccinia virus infections in a martial arts gym.