在牧场中喂饲未煮熟的厨房废肉是小猪群的一个传染来源。
Feeding of uncooked table scraps on the farm is a source of infection in small herds.
前言： 目的：对深圳市某一霍乱疫点进行流行病学调查和传染来源追踪。
Objective:To make an epidemiologic investigation and look for infection sources.
从寄生虫学、昆虫学和社会因素的调查结果表明，输入性疟疾是引起本次暴发流行的传染来源。
The results of investigation on parasitology, entomology and social factors showed that imported malaria is the infection source of the outbreak.
目的了解深圳地区人类免疫缺陷病毒1型（HIV-1）毒株亚型及流行情况，分析其传染来源和传播规律。
Objective To study the epidemic status of human immunodeficiency virus type 1(HIV-1)subtypes in Shenzhen and to study their transmission source and routes.
动物似乎是人类传染性疾病的主要来源体，通常60%人类的病原体来源于动物，而在新出现的疾病中，这一比例约在75%。
Animals seem to be the main source of new infectious disease in man: in general around 60% of human pathogens are transmissible from animals; among new diseases, the rate is about 75%.
家庭的厨房是传染的普遍来源，像没有煮熟蛋病原体、肉类和蔬菜的病原体常在背面，还有炊具和洗涤工具。
Home kitchens are a common source of contamination, as pathogens from uncooked eggs, meat and vegetables find their way onto countertops, utensils and cleaning tools.
分析了传染病医院的污水、医疗废物的来源及其危害性，提出了相应的环境保护对策。
This paper analyzes the sources and harms of the sewages and medical wastes of the infectious disease hospital, and advances some corresponding countermeasures tor the environmental protection.
方法布氏杆菌病确诊采用血清学和细菌学检查，采用追溯法调查传染源的来源，随访接触者感染情况。
Steps:Make use of Serology and bacteriology to diagnose Brucellosis, investigate the source of infection, and realize the circumstances of people who has osculated.
牛型分枝杆菌引起的人类结核病，其传染源可以来源于患者，也可以来源于患牛。
The human tuberculosis, which is caused by the Mycobacterium bovis, can get their infection sources either from the patient of TB or the sick TB cattle.
牛型分枝杆菌引起的人类结核病，其传染源可以来源于患者，也可以来源于患牛。
The human tuberculosis, which is caused by the Mycobacterium bovis, can get their infection sources either from the patient of TB or the sick TB cattle.
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