About the Authors
- Zhifang Wang
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* E-mail: zfwang@cdc.zj.cn
Affiliation Department of Immunization Programme, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang Province, China
- Yaping Chen
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Affiliation Department of Immunization Programme, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang Province, China
- Jinren Pan
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Affiliation Department of Immunization Programme, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang Province, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: ZW. Performed the experiments: ZW. Analyzed the data: ZW YC JP. Contributed reagents/materials/analysis tools: ZW YC JP. Wrote the paper: ZW.