这位大哥，我很理解你提心吊胆的心情，但是这次是新冠，不是平常的冠状病毒，科学家也没有百分百的把握说 ...
韩国的91例复阳大部分专家认为是试剂盒的检测精度的问题。另外抗体时效是6-18个月，至少超过6个月。 dolc 发表于 2020-4-14 19:44
韩国的91例复阳大部分专家认为是试剂盒的检测精度的问题。另外抗体时效是6-18个月，至少超过6个月。
据说不是所有人康复后都有抗体的
https://www.msn.com/en-in/health/in-depth/who-is-immune-to-the-coronavirus/ar-BB12Ad9G
Then again, another recent study (also not yet peer-reviewed) suggests that not every case of infection may be contributing to herd immunity. Of 175 Chinese patients with mild symptoms of Covid-19, 70 percent developed strong antibody responses, but about 25 percent developed a low response and about 5 percent developed no detectable response at all. Mild illness, in other words, might not always build up protection.
如果25%+5%的人都无法防止被二次感染的话，要群体免疫真的要全民过一遍了
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