142nd APHA Annual Meeting and Exposition

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Online Program

Annual Meeting Recordings are now available for purchase

Yang Zeng, MPH

142nd APHA Annual Meeting and Exposition (November 15 - November 19, 2014): http://www.apha.org/events-and-meetings/annual

Associate Chief Physician
Beijing Center for Diseases Control and Prevention
Beijing China bjcdczy@gmail.com

4031.0 A Cross-Sectional Serosurvey to Estimate Pertussis Incidence and Immunization Response in Healthy Population in Beijing, China