Detect the presence of specific antibody and quantitate the amount of antibody in patient’s serum
Such is the case with the slide and tube Widal test. The agglutinins against the ‘0’ (somatic) and ‘H’ (flagellar) antigens of Salmonella typhi, paratyphi A, and paratyphi B are measured qualitatively (slide test) and quantitatively (Tube test) using a suspension of suitable organisms that have been killed. Widal-quantitative tube agglutination test This test aids … Read more