a contagious disease

基本解释

For example, one person called to report the outbreak of a contagious disease that constricts breathing.
例如，一个人打电话举报一些突发的窒息性传染病。
Avian influenza is a contagious disease of animals caused by viruses that normally infect only birds and, less commonly, pigs.
禽流感是一种由病毒引起的，有传染性的动物传染病，通常只感染禽类，也可以感染猪。
Being an asshole is a contagious disease. The more time you spend around one the more likely you are to catch it and become one too.
变混蛋也能濡染，和他们呆的时间越长，也越有可能染上混蛋的习惯也许就为混蛋。

In 2006 researchers from the Hebrew University in Israel isolated a variant of the virus that causes Newcastle disease, a highly contagious disease in birds that can kill.
ECONOMIST: The prospects for using genes as a therapy may be improving

传染病
BACKGROUNDThe tuberculosis(TB) was a contagious disease caused by the Bacillus tuberculosis and it threatened human's health seriously. The epidemic situation of TB showed an increasing trend and World Health Organization declared that it was in an emergency condition.
研究背景结核病是一种由结核杆菌引起的严重危害人类健康的传染病。