\nMost attempts at a so-called universal vaccine have the modest goal of inducing immunity against an entire family of virus — all coronaviruses or all flu viruses, for example — usually by mimicking evolutionarily conserved viral components that are less likely to mutate. A truly universal vaccine that can counter diverse pathogens was a pie-in-the-sky idea.
2026年03月30日 15:05:02
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一嗨租车的春节自驾报告指出，今年春节期间，公司总收入、总订单量、异地还车订单、总租赁天数、平均租期、客户总数等关键指标均创下春节纪录。其中，总订单量同比增长45%，单日最高出租率达到95%。
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