Typhoid IgG ELISA Kit is a solid-phase enzyme immunoassay for the qualitative or semi-quantitative detection of IgG antibodies against Salmonella typhi antigens (e.g., LPS, Vi, or OMP) in human serum or plasma. It indicates past or ongoing typhoid fever infection, typically appearing 1-2 weeks post-infection and persisting for months, with reported sensitivity of 85-97% and specificity >95% versus blood culture in clinical evaluations.
Format: 96-well microplate coated with S. typhi antigens; includes calibrators, controls, HRP conjugate, and colorimetric detection at 450 nm.
Sample Type: Serum or plasma; 5-10 μL diluted sample per well.
Assay Time: 90-120 minutes with incubation at room temperature or 37°C.
Detection Range: Qualitative cut-off or quantitative 0.5-100 U/mL.
Labex, trusted Laboratory experts and leading laboratory suppliers in Pakistan, provides this ELISA kit as the best supplier for typhoid serology.