Noun:

1. the branch of medical science dealing with the transmission and control of disease

epidermisn.表皮；上皮epidemicn.流行病；传染病adj.流行的；传染性的Epidemiologys流行病学epidemiology year流行病学年Epidemiology trend流行Epidemiology Study流行病学研究Epidemiology survey流行病学调查Epidemiology factors流行病学因素Epidemiology survery流行病学调查Epidemiology studies天津epidemiology of tumor肿瘤流行病学epidemiology analysis流行病学分析

1. The scene in the hospital illustrates a key challenge of molecular epidemiology.
   医院的场景正说明了分子流行病学所面临的重要挑战。