Volume 10, Number 5—May 2004
Ring Vaccination and Smallpox Control
Page created: February 18, 2011
Page updated: February 18, 2011
Page reviewed: February 18, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.