Brazilian Vaccinia Viruses and Their Origins
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Smallpox was eradicated more than 25 years ago, but live viruses used in vaccines may have survived to cause animal and human illness today. Dr. Inger Damon, Acting Branch Chief of the Poxvirus and Rabies Branch at CDC, discusses efforts to determine origins and spread of vaccinia viruses in Brazil. Created: 7/30/2007 by Emerging Infectious Diseases.
Date Released: 7/30/2007.
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