Anti-tuberculosis Drug Resistance Surveillance Project in Zhejiang Province, China. Mycobacterium tuberculosis

A study on anti-tuberculosis drug resistance surveillance programs covering 30 of the 89 counties in Zhejiang Province, China was conducted from 2014 to 2018. According to the study design, all patients with positive sputum smears in designated TB hospitals, after the start of the surveillance project, were informed, and those that agreed to sign an informed consent form were recruited in the study. In each county, at least 30 positive MTB culture cases were required to be recruited continuously before the inclusion was stopped.