没有生病的人(或生病痊愈之后)身上存在有病原体,这样的人被称为“健康带菌者”。“健康带菌者”自己不得病,却可以把病传染给别人,从预防角度讲,他们比病人更危险。我国有句成语:“明枪易躲,暗箭难防。”“健康带菌者”传来的病菌,就如“暗箭伤人”。在医学史上有一个著名的例 There is a pathogen in the body of a person who is not sick (or after illness is healed). Such people are called “healthy carriers.” “Healthy carriers” can not get sick by themselves, but they can spread the disease to others. From a preventive perspective, they are more dangerous than the patients. There is an idiom in my country: “The guns are easy to hide and stare in the air.” The germs from “healthy carriers” are like “stabbing back and wounding people.” There is a famous example in medical history