About the Authors
- Zhifang Wang
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Affiliation Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang Province, P. R. China
- Rui Yan
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Affiliation Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang Province, P. R. China
- Hanqing He
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Affiliation Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang Province, P. R. China
- Qian Li
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Affiliation Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang Province, P. R. China
- Guohua Chen
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Affiliation Cixi City Center for Disease Control and Prevention, Cixi, Ningbo, P. R. China
- Shengxu Yang
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Affiliation Sanmen County Center for Disease Control and Prevention, Sanmen, Taizhou, P. R. China
- Enfu Chen
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* E-mail: enfchen@cdc.zj.cn
Affiliation Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang Province, P. R. China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: EC. Performed the experiments: HH QL GC SY. Analyzed the data: ZW RY. Contributed reagents/materials/analysis tools: EC. Wrote the paper: ZW.