就在全球科学家积极研发新冠疫苗的时候,英国的一项研究发现,新冠肺炎患者体内的抗体会在数月内消失,而疫苗提供的抗体可能也会如此,这意味着人们无法通过一次性注射疫苗“一劳永逸”。更糟的是,新冠病毒可能会像感冒一样让人们每年重复感染。 A woman holds a small bottle labeled with a "Vaccine COVID-19" sticker and a medical syringe in this illustration taken April 10, 2020. REUTERS/Dado Ruvic People who have recovered from Covid-19 may lose their immunity to the disease within months, according to research suggesting the virus could reinfect people year after year, like common colds. 一项研究显示,新冠肺炎患者康复后可能会在数月内失去对新冠病毒的免疫力,该研究指出,新冠病毒可能会和普通感冒一样让人们每年重复被感染。 In the first longitudinal study of its kind, scientists analysed the immune response of more than 90 patients and healthcare workers at Guy’s and St Thomas’ NHS foundation trust and found levels of antibodies that can destroy the virus peaked about three weeks after the onset of symptoms then swiftly declined. 在首个同类型纵向研究中,科学家分析了盖伊和圣托马斯国民健康保险信托基金会的90多名患者和医护人员的免疫反应,发现可以摧毁病毒的抗体水平在症状出现三周后达到高点,然后就迅速下降。 |