We blamed the purveyor of all germs, our kindergartner. Just as we were all recovering, the infant started day care and brought home a virus and we're all on round two of apparently a different cold.
专家指出,病菌携带者——在我们家则是我们上幼儿园的孩子——有可能会将病菌传染给别人,而自己不会出现症状。
Experts say it's possible that the carrier of germs -- in this case our kindergartner -- can infect others without having symptoms himself.
威斯康星大学麦迪逊分校(University of Wisconsin-Madison)分子病毒学研究所(Institute of Molecular Virology)的研究员安·帕尔门伯格(Ann Palmenberg)说:“在任何时候,要是我们用棉签擦拭你的鼻子,大概都能发现它里面存在着五种不同的鼻病毒,但是你也并没有生病。”鼻病毒是引发普通感冒最常见的病毒,占成年人感冒诱因的30%至50%,而且它的种类超过了150种。
'At any given moment if we were to swab you. . .we'd probably come up with five different rhinoviruses sitting in your nose but you're not sick,' said Ann Palmenberg, a researcher at the Institute of Molecular Virology at the University of Wisconsin-Madison. Rhinovirus is the most common viral cause of the common cold, accounting for 30% to 50% of adult colds, and there are more than 150 strains of it.
帕尔门伯格博士指出,鼻病毒附着在细胞间黏附分子(ICAM)受体上以便进入壁细胞,在该受体张开时,人们才会感染病毒。
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