主任医生 meaning in Chinese

chief physician
chief surgeon

The guangdong cdc team is led by dr zheng hui - zhen , deputy director of institute of epidemic disease prevention . during their stay in hong kong from april 6 to 28 , members of the team attached to different units to gain a better understanding of their works and shared their experiences with the local professionals . these units included the chp s public health laboratory services branch , surveillance and epidemiology branch , infection control branch , as well as the fehd s pest control advisory section
广东省疾控中心人员在流行病研究所副所长郑慧贞主任医生率领下，于留港期间(四月六日至二十八日) ，获安排在?生防护中心辖下不同单位，包括公共?生化验服务处、监测及流行病学处、感染控制处及食环署的防治虫鼠事务谘询组，与有关人员交流经验。