Methods Field epidemiological investigation was conducted.
方法用现场流行病学的调查方法。
Methods Infective disease transfer model were explored and the main principle and method of field epidemiological investigation were analyzed.
方法阐述传染病的感染和传播的基本模式，分析现场流行病学调查的基本原理和策略。
Methods: Using methods of field epidemiological investigation as well as serological, immunological and molecular-biological diagnosis to determine this outbreak.
方法采用现场流行病学调查的方法并依据血清学、免疫学以及分子生物学实验结果确认。
Objective This paper is a progress analysis of SARS field epidemiological investigation in Shanghai under the condition of national great victory of SARS containing.
目的在全国抗非典取得阶段性胜利的情况下，对上海市传染性非典型肺炎的流行病学调查情况作一总结。
According to field epidemiological investigation, clinical manifestations and laboratory test results confirmed that the incident was caused by eating undercooked beans food poisoning.
根据现场流行病学调查，结合临床表现和实验室检测结果证实该事件为食用未煮熟豆角引起的食物中毒。
Methods Through field epidemiological investigation, residual food, the vomited matter, excrement and anal swab of the patients, the anal swab of the cooks were all collected, sampled and tested.
方法进行现场流行病学调查，采集留样食物样品、患者呕吐物、排泻物、肛拭子，厨师肛拭子检测分析。
Occupational epidemiological investigation in field and animal experiments were performed to study the toxicity of acephate.
乙酰甲胺磷动物毒性试验及接触工人的职业流行病学调查。
Methods Field epidemiological methods and descriptive epidemiological methods were used for the investigation.
方法采用现场流行病学调查方法，运用描述性流行病学方法进行分析。
Methods Field epidemiological methods and descriptive epidemiological methods were used for the investigation.
方法采用现场流行病学调查方法，运用描述性流行病学方法进行分析。
应用推荐