الصفحة الرئيسيةNDTV News - Topstories Immune System Of Patients After Covid Recovery May Fight Variants: Study byashif raza -يناير 23, 2021 0 تعليقات People who recover from COVID-19 are protected against the novel coronavirus for at least six months, and likely much longer, according to a study which says the immune system evolves long after the...
إرسال تعليق