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Volume 16, Number 11—November 2010

Research

Effect of Vaccination on Bordetella pertussis Strains, China

Liu Zhang1, Yinghua Xu1, Jianhong Zhao, Teemu Kallonen, Shenghui Cui, Yunqiang Xu, Qiming Hou, Fengxiang Li, Junzhi Wang, Qiushui He, and Shumin ZhangComments to Author 
Author affiliations: National Institute for the Control of Pharmaceutical and Biological Products, Beijing, People’s Republic of China (L. Zhang, Y. Xu, S. Cui, Q. Hou, F. Li, J. Wang, S. Zhang); Hebei Medical University, Shijiazhuang, PRC (J. Zhao); The Second Hospital of Shijiazhuang City, Shijiazhuang (Y. Xu); National Institute for Health and Welfare, Turku, Finland (T. Kallonen, Q. He); University of Turku, Turku (T. Kallonen)

Main Article

Figure 2

Frequencies of A) fimbrial (fim) serotypes, B) pertussis toxin (ptx) A alleles, and C) pertactin (prn) alleles in Bordetella pertussis isolates collected in China during 1953–1958, 1963–1985, and 1997–2005.

Figure 2. Frequencies of A) fimbrial (fim) serotypes, B) pertussis toxin (ptx) A alleles, and C) pertactin (prn) alleles in Bordetella pertussis isolates collected in China during 1953–1958, 1963–1985, and 1997–2005.

Main Article

1These authors contributed equally to this article.

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