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Think of the children

机译:想起孩子们

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WHEN COVID-19 began spreading in January, parents everywhere were terrified. Respiratory bugs thrive in children; this one kills. But children infected with the new coronavirus have had mild symptoms or none at all and deaths have been rare, says a review of nearly 80 studies published on April 22nd by an international network of child-health experts. Whether children spread covid-19 has been less clear. Experts feared they could be easily infected but show no symptoms and so spread the disease to adults. Children pass on flu more than adults. They are more likely to catch it than adults who have some immunity from previous bouts. They are in close contact with their peers. So closing schools can slow flu epidemics. But several studies now suggest that children are no more easily infected by covid-19 than adults, maybe less so. The most reliable ones have traced the contacts of infected people, tallying the infections in children and adults stemming from each "patient zero". Two studies from China have just appeared in Science and the Lancet. One found similar infection rates; the other, in a different province, found that children were less susceptible.
机译:当COVID-19在1月开始传播时,各地的父母都感到恐惧。儿童呼吸道臭虫繁盛;这一杀。但是,由国际儿童健康专家网络于4月22日发布的近80项研究的评论指出,感染了新冠状病毒的儿童仅有轻度症状或根本没有症状,而且死亡很少见。儿童是否传播covid-19尚不清楚。专家们担心他们很容易被感染,但没有任何症状,因此会把这种疾病传播给成年人。儿童比成年人传播流感的可能性更大。他们比对以前的比赛有一定免疫力的成年人更容易抓住它。他们与同伴保持着密切联系。因此,关闭学校可以减缓流感的流行。但是,现在有几项研究表明,与成年人相比,儿童不更容易受到covid-19的感染,也许少得多。最可靠的人追踪了感染者的接触,统计了每个“零号患者”引起的儿童和成人感染。来自中国的两项研究刚刚出现在《科学》和《柳叶刀》上。一个发现了相似的感染率。在另一个省,另一个发现儿童的易感性较低。

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    《The economist》 |2020年第9192期|46-46|共1页
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