Appearance of macrolide-resistant Bordetella pertussis strains in China.

Zengguo Wang, Yarong Li, Tiejun Hou, Xiaoguai Liu, Ying Liu, Tongtong Yu, Zhijun Chen, Yuan Gao, Hengxin Li, Qiushui He Department of Vaccine-Preventable Diseases, Xi’an Center for Disease Control and Prevention, Xi’an, China; Number 3 Department of Infectious Diseases, Xi’an Children’s Hospital, Xi’an, China; National Institute for Communicable Disease Control and Prevention and State Key Laboratory for Infectious Disease Prevention and Control, Chinese Center for Disease Control and Prevention, Changping, Beijing, China; Department of Medical Microbiology, Capital Medical University, Beijing, China; Department of Infectious Disease Surveillance and Control, National Institute for Health and Welfare (THL), Turku, Finland