Volume 16, Number 11—November 2010
Research
Effect of Vaccination on Bordetella pertussis Strains, China
Appendix Figure 1
![Distribution of the Bordetella pertussis isolates collected during 1953-2005 in China. Places where the isolates were recovered are indicated by shading, and the numbers of isolates obtained from each location are provided within parenthesis. Of the 96 isolates studied, no information about origin was available for no. 23.](/eid/images/10-0401-TECHAPP2.jpg)
Appendix Figure 1. Distribution of the Bordetella pertussis isolates collected during 1953-2005 in China. Places where the isolates were recovered are indicated by shading, and the numbers of isolates obtained from each location are provided within parenthesis. Of the 96 isolates studied, no information about origin was available for no. 23.
1These authors contributed equally to this article.
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