你的出生日期除了可以决定星座,还能用来预测你对哪种类型的流感病毒更具抵抗力。科学家近日发现,儿时感染的流感病毒会在一个人的免疫系统上留下永久“印记”,人们由此获得对类似疾病的强大免疫力,而对不太相似的疾病的抵抗力就弱得多。
When flu strikes, why are some family members reduced to shivering wrecks under their duvets, while others get off with little more than a snuffle?
当流感来袭时,为什么有些人蜷缩在羽绒被下瑟瑟发抖,而有的人最多就是有点鼻塞呢?
Scientists now have an answer, showing that the generation you belong to - and even the year of your birth - predicts how vulnerable you will be to a given strain of seasonal virus.
科学家们近日给出的答案显示,人们出生的年代甚至是年份预示着其抵御特定种类季节性流感的能力。
The flu virus a person first encounters as a child, they found, leaves a permanent "imprint" on the immune system, giving them robust protection against similar strains and much weaker protection against less closely related varieties of the illness.
他们发现,儿时感染的流感病毒会在一个人的免疫系统上留下永久“印记”,人们由此获得对类似疾病的强大免疫力,而对不太相似的疾病的抵抗力就弱得多。
Michael Worobey, head Ecology and Evolutionary Biology at the University of Arizona and a senior author of the study, said: "It's not the age, it's the birth year that matters."
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