SARS-CoV-2 positive virus culture 7 weeks after onset of COVID-19 in an immunocompromised patient suffering from X chromosome-linked agammaglobulinemia

在一名患有X染色体连锁无丙种球蛋白血症的免疫功能低下患者中，COVID-19发病7周后SARS-CoV-2病毒培养呈阳性。