widal test is an agglutination test used for diagnosis of enteric fever (Typhoidal or Paratyphoidal fever) serologically in clinical/diagnostic laboratories. This tests measure agglutinating serum antibodies level produced against the O (somatic) and H (flagellar) antigen of SalmonellaTyphi and Paratyphi A, B, and C. This test is widely used throug... .@ location