流行病学的

Objective To survey an outbreak of paratyphoid A in a middle school of Lingchuan County in 2004. Methods Descriptive epidemiological methods were used.

目的分析一起学校甲型副伤寒暴发疫情的流行病学特点及暴发原因。

Objective To explore the epidemiology, pathogeny, diagnosis and treatment of pulmonary sequestration.

目的 探讨肺隔离症的流行病学、病因、诊断和治疗方法。

In our epidemiological investigation, red body disease was commonly prevalent from July to October. The diseased shrimps first displayed sluggish swimming or held still at the bottom,sometime going round or swimming vertically.They were not active in feeding,at the same time,their pleopod and whole body turned red, then died.

通过对本地区南美白对虾红体病进行流行病学调查，发现夏秋两季为其多发季节，多集中于7～10月，病虾触须及尾扇的尖部变红，亦有附肢变红或全身呈红色，活动减弱，在池边水面缓慢游动或沉底不动，反应迟钝，摄食量减少。

Analysis were performed on influential factors or postprandial lipid levels in type 2 diabetic patients .

但目前绝大多数临床及流行病学研究多集中在脂肪餐后血脂的动态变化。

Objective To investigate the epidemiological characteristics of outbreak of public health events from 2003 to 2005 in Qiandongnan Prefecture.

目的 了解黔东南州突发公共卫生事件的流行病学特征。

Objective To understand the hereditary and variant characteristics of rubella virus, especially the strains isolated from China, investigating the epidemical trend and variation principle of RV.

目的 阐述风疹病毒的遗传变异规律及分子流行病学特点。

Methods Questionaire survey of reported syphilis cases during 2004～2006 in Jiading District of Shanghai was made.

采用统一的梅毒流行病学调查问卷对2004～2006年上报梅毒病例进行调查。

Methods The field questionaire survey of cholera was carried out and the results were statistically analyzed using Excel.

方法采用统一的霍乱流行病学调查表开展现场调查，用EXCEL统计软件对调查结果进行统计分析。

Methods:2502 residents above 15 years old were selected and studied through random sampling methods in Beijing.

采用随机抽样方法对北京市人口15岁以上的2502人进行流行病学调查。

Objective To evaluatee the effect of BCG revaccination and the epidemiological significance of prophylactic chemotherapy.

目的 评价卡介苗复种效果和预防性服药的流行病学意义。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。