75. In patients who have not been infected with SARS-CoV-2 or vaccination past,what type of immunogl
問題詳情
75. In patients who have not been infected with SARS-CoV-2 or vaccination past,what type of immunoglobulin can be detected first in the body after infection? (A) IgG (B) IgA (C) IgM (D) IgD