And some patients might get back-to-back colds, doctors say. It isn't likely people will be reinfected with the same virus because the body builds some immunity to it. But people can pick up another of the more than 200 known viruses that can cause the common cold, some of which are worse than others.
医生说,有些患者或许会连续患感冒。人们不大可能会重新感染同一种病毒,因为人体已对它形成了一定的免疫力。然而,能引发普通感冒的已知病毒有200多种(有些病毒比其他更厉害),人们还是会感染上其中一种。
'When you hear people who have the cold that 'won't go away,' those are typically back-to-back infections of which we see a lot of in the cold weather when people are cohorting together,' said Darilyn Moyer, a physician at Temple University Hospital and chairwoman-elect of the American College of Physicians Board of Governors.
天普大学医院(Temple University Hospital)医生、美国医师协会(American College of Physicians)理事会候任主席达尔琳·莫耶(Darilyn Moyer)说:“如果你听到别人得了‘永不见好’的感冒,那通常就是连续性感染,这种情况在人们常窝在一起的寒冷季节较多见。”
Influenza may get all the attention, but the common cold is the leading cause of doctor visits, according to the National Institutes of Health. Each year, people in the U.S. get about one billion colds, and 22 million school days are lost to the stubborn viruses.
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