Preventing and recovering from the Corona virus depends mainly on the efficiency of the immune system, as it generates antibodies to Corona, which prevents the entry of cells. It also activates the T cells of the virus, where infected cells are attacked, and the virus inside them is eliminated. , And then radically treat the viral infection. There are several symptoms that can be known whether the immunity is weak or not, according to the official website of the University of Pennsylvania «pennmedicine», including:
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