Vaccinia virus infections in martial arts gym, Maryland, USA, 2008.
Emerg Infect Dis. 2011 Apr ;17(4):730-3. PMID: 21470473
Christine M Hughes
Vaccinia virus is an orthopoxvirus used in the live vaccine against smallpox. Vaccinia virus infections can be transmissible and can cause severe complications in those with weakened immune systems. We report on a cluster of 4 cases of vaccinia virus infection in Maryland, USA, likely acquired at a martial arts gym.