Enzyme immunoassays (ELISA)
Antibodies of the IgG class to ascaris antigensAntibodies of the IgG class to Helicobacter pylori (Helicobacter pylori)Antibodies to double-stranded DNA (anti-ds DNA)Blood test for HbsAg (ELISA)ELISA test for antibodies to COVID-19 (coronavirus infection), (IgG)ELISA test for antibodies to COVID-19 (coronavirus infection), (IgM)HAV hepatitis A by ELISAICLA test for antibodies to COVID-19 (coronavirus infection), (IgM, IgG)Immunoglobulin IgE