流行病

Therefore, the study on reinfection has been considered as a hot point of schistosomiasis research.

所以，人群再感染的研究已成为当前我国血吸虫病流行病学的热点课题。

Methods And the reportable acute infectious disease from1950to1999in Gaozhou City were statistically analyzed.

运用分析流行病的研究方法，将高州市1950～1999年法定报告的急性传染病进行统计学分析。

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。

Objective:To obtain Rickettsia tsutsugamushi antibody levelin patients and healthy population of epidemic area and non-epidemic area, and to get the seroepidemiological pattern of tsutsugamushi disease in Hebei province based on serological typing and dynamic observation.

目的：对河北省恙虫病疫源地内病例进行血清学分型和抗体动态观察，了解疫源地和非疫源地内人群恙虫病抗体阳性率，初步掌握恙虫病血清流行病学规律。

Numerous animal studies have indicated estrogenic neuroprotection in the nigrostriatal pathway associated with reduced risk for Parkinson's disease, Dr. W. A. Rocca and associates note in the January 15th issue of Neurology, but evidence from clinical and epidemiologic studies has been inconclusive.

W。 A。 Rocca博士和同伴在1月15日的《神经病学》杂志上写道，很多动物研究表明雌激素在黑质纹状体通路的神经保护作用与降低帕金森病的风险有关联，但是来自临床和流行病学研究的证据还没得出结论。

Objective To understand anxiety state of aged people in the elderly rooming house in Chongqing, to investigate the epidemiology characters and related factors of anxiety state.

目的 了解重庆市区某老年公寓老年人的焦虑情况，探讨老年公寓老人出现焦虑状态的流行病学特点及相关因素。

However, the mechanism of rotenone in PD is unclear.

大量的流行病学和小动物实验研究发现长期以来被认为安全有效广泛使用的农药杀虫剂鱼藤酮与PD的发病相关，但是其具体的作用机制不详。

"You had an epidemic involving thousands upon thousands of children," Sabin said."There was obviously a great need, and when there is a need like that, you've got to keep working even when you have no idea what the outcome is going to be."

Sabin 说，"你面临着这样一个牵涉着成千上万孩子的流行病，"，"很显然这是个巨大的需求，而当有一个这样的需求时，你必须坚持工作，即使你对成果将是什么一无所知。"

Male Wistar rats were divided into 4 groups of 30 animals each and were fed for 9 weeks with semisynthetic diets containing 15% coconut, teaseed or safflower oil and 1% cholesterol respectively.

但近年的流行病学研究发现，地中海地区居民摄食大量富含MUFA的橄榄油，其血TC水平和冠心病发病率较欧美国家的为低。

Methods The stratified random sampling rule and the standard grading system of blindness set by WHO were adopted in the study, and 11 327 subjects were enrolled (a sampling fraction of 2.01%) in the whole county.

采用分层随机抽样原则，以世界卫生组织盲目分级为标准，对全县按2.01%抽样比例抽取11327例进行盲和低视力的流行病学调查。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。