Risk Factors for influenza A(H1N1)pdm09 among students, Beijing, China
Yang Zheng1, Wei Duan, Peng Yang
1Beijing Center for Disease Control and Prevention, Beijing, People’s Republic of China.
Emerging Infectious Diseases
|January 26, 2013
Abstract:
To identify risk factors associated with influenza A(H1N1)pdm09 among students in Beijing, China, we conducted a case-control study. Participants (304 case-patients and 608 controls, age range 6-19 years) were interviewed by using a standardized questionnaire. We found that in addition to vaccination, nonpharmaceutical interventions appeared to be protective.
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