High prevalence of erythromycin-resistant Bordetella pertussis in Xi'an, China Z. Wang, Z. Cui, Y. Li, T. Hou, X. Liu, Y. Xi, Y. Liu, H. Li, Q. He Clinical Microbiology and Infection Volume 20, Issue 11, Pages O825-O830 (November 2014) DOI: 10.1111/1469-0691.12671 Copyright © 2014 European Society of Clinical Infectious Diseases Terms and Conditions
FIG. 1 The monthly numbers of NP samples collected and IS481 and ptx-Pr PCR-positive samples during the study period of January 2012 to December 2013. Clinical Microbiology and Infection 2014 20, O825-O830DOI: (10.1111/1469-0691.12671) Copyright © 2014 European Society of Clinical Infectious Diseases Terms and Conditions