Widal test: Procedure, Interpretation
It is a type of agglutination test. This test is used to detect presence of serum agglutinins (H and O) in patient’s serum with typhoid and paratyphoid fevers. At the end of first week, the antibody for Salmonella starts to appear in serum. During the third week, the antibody for Salmonella rises sharply in enteric … Read more