答案可能是你不想听到的:微生物能在家中物件表面上存活好几百年。但有个好消息是,大多数微生物的寿命并没有这么长。某些大家熟知的病毒如HIV(人体免疫缺损病毒)常温只能存活几秒钟。当然,微生物无所不在。在皮肤每平方厘米的面积上都生存着约10万个细菌。仅一个喷嚏就能把感染细 The answer may be something you don’t want to hear: Microbes can survive on the surface of objects in your home for hundreds of years. But the good news is that the lifespan of most microbes is not that long. Some well-known viruses such as HIV (human immunodeficiency virus) can only survive for a few seconds at room temperature. Of course, microorganisms are everywhere. There are about 100,000 bacteria per square centimeter of skin on the skin. Only one sneeze will be able to infect