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通过大部分人口产生免疫力来阻断病毒传播的群体免疫策略，在西方国家中一直被寄予厚望。日前，西班牙的一项大规模研究得出结果称，从西班牙人口产生新冠病毒抗体的比例来看，群体免疫恐怕难以实现。 A woman wearing a protective face mask walks past a closed souvenirs store, amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, July 8, 2020. REUTERS/Susana Vera Covid-19 antibodies in Spain’s population “are insufficient to provide herd immunity,” a new study has claimed, despite the country being one of the worst-affected by the pandemic. 尽管西班牙是受疫情冲击最严重的国家之一，但一项新研究称，西班牙人口的新冠病毒抗体“不足以产生群体免疫”。 In a peer-reviewed paper published in the Lancet medical journal Monday, researchers from Harvard, MIT and several Spanish institutions analyzed findings from a widescale study on antibody prevalence in Spain. 本周一More than 251,700 cases of coronavirus have been confirmed in Spain, while the virus has killed 28,388 people in the country to date, according to data compiled by Johns Hopkins University. With 607 deaths per million people, Spain has the third-highest number of deaths relative to population in the world, according to Our World in Data. 根据约翰斯·霍普金斯大学编纂的数据，西班牙确诊的新冠肺炎病例逾251700例，迄今为止新冠病毒已导致该国28388人丧生。用数据看世界网站的数据显示，西班牙每100万人中就有607人死于新冠肺炎，死亡率排全球第三。 | 
