Objective to explore the way of fast control of schistosome infectivity in susceptible zones.
目的探讨快速控制血吸虫病易感地带感染性的方法。
An SEIS model that incorporates saturating incidence and the disease infectivity in the latency is established and analysed.
建立并分析了一类具有饱和发生率、在潜伏期具有传染性的SEIS模型。
During the intervention period, we observed changes in S. japonicum infection in humans, measured the rate of infection in snails, and tested the infectivity of lake water in mice.
在干预期间，我们发现居民感染该血吸虫病的情况有所变化，测定了田螺的血吸虫感染率，用小鼠对湖水的感染性进行了测试。
In further details, this paper discussed the epidemic threshold for disease spreading using SIR model with piecewise linear infectivity on scale-free networks.
具体讨论了具有分片线性传染力的SIR模型在无标度网络上的流行病传播阈值，并运用分片线性传染力得到了传播阈值为正的条件。
The model not only considered animal safeties and health conditions, but also emphatically analyzed BSE infectivity reduction or clearance levels in manufacturing processes of raw materials.
该评估模型不仅考虑了动物的安全性和健康状况，更注重分析了动物原料生产加工工艺降低或灭活疯牛病病原感染性的水平。
An investigation of Anisakis simplex larvae, the most important causative agent of anisakiasis, in marine fishes caught in Bohai sea was carried out in order to detect their infectivity.
为了了解渤海各种鱼类中人体异尖线虫病的主要致病源——简单异尖线虫幼虫的感染情况，进行本调查。
The infectivity of the oocysts obtained from the same origin but different animals and different purification methods in a bovine fallopian tube epithelial cell culture system was studied.
探讨来自不同动物、不同纯化方法的卵囊在牛输卵管上皮细胞培养系统的感染情况。
The infectivity of the oocysts obtained from the same origin but different animals and different purification methods in a bovine fallopian tube epithelial cell culture system was studied.
探讨来自不同动物、不同纯化方法的卵囊在牛输卵管上皮细胞培养系统的感染情况。
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