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Risk Factors for influenza A(H1N1)pdm09 among students, Beijing, China.


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.

SUBMITTER: Zheng Y 

PROVIDER: S-EPMC3559042 | biostudies-literature |

REPOSITORIES: biostudies-literature

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