epidemiologic investigation

• 流行病学调查

epidemiologic investigation的用法和样例：

例句

1. An epidemiological investigation of the case was unable to uncover a history of exposure to dead or diseased birds.
   对病例的流行病学调查未发现死禽或病禽接触史。
2. Methods The investigation of the epidemic area,the isolation of Orientia tsutsugamushi,the study of pervention measures were carried out.
   方法疫源地流行病学调查，病原分离鉴定与分子生物学研究，预防措施的制定。