The domestic animal disease, particularly the contagion diseases is big enemies to livestock husbandry and prodution, which restrict the developments of the livestock husbandry.

家畜疾病，尤其是一些传染性疚病是畜牧业生产的大敌，过度使用药物又会造成食品污染。

youdao

Now is a spring, the contagion disease is a lot of, hope everyone exercises much and much at ordinary times, studying like want outdoors breath to breathe fresh air, also want to notice airiness.

现在是春季，传染性疾病很多，希望大家平时多多运动，学习好了要到室外呼吸呼吸新鲜空气，也要注意通风。

youdao

Fear of contagion, lack of knowledge that TB can be cured and the failure of communities to discuss the disease openly all play a role in fuelling this fear.

害怕被传染、缺乏有关结核病可能治愈的知识，以及社区不公开讨论这一疾病，这种种因素都起到助长这种恐惧心理的作用。

youdao

This year, the 36-year-old Academy Award winner played the title role in the TV miniseries "Mildred Pierce" and an infectious-disease expert in the film "Contagion" (where again, she appeared a little under the weather).

WSJ: Kate Winslet On Playing One of Four Caged Animals in Carnage

Professor Lipkin is one of the leading advocates of a global early warning system for contagious disease to reduce the risk of the sort of pandemic seen in Contagion.

BBC: Can crowdsourcing beat the flu?