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In this study, we carried out Widal test to establish whether it is still signifcant as a routine early diagnostic tool of typhoidfever in the present time. We used three groups of patients: the first two Broups were hospitalized patients with fever, of which singLe blood specimen were taken and conjirmed by culture as positive (group I) and negative (group II), and the third group was healthy blood donors. AntiOagglutinintitersregardedasposilivewerethoseexceedingl:S0.ThesensitivityofsingleWidaltestwas3TVo,speciflcity gTVo,positivepredictivevaLueglVo,andnegativepredictivevalueT3Vo. Otherserologytestsdevelopedcurrently,amongotherstheuse of outer membrane protein preparation of Salmonella typhi as an antigen in the ELISA test, have shown higher sensitivity and specifcity thantheWidaltest. Therefore,theuseoftheWidaltestasarouiineearlydiagnostictoolfortyphoidfevermightneedtobereconsidered.

Is Widal test still a usefull method as a routine early diagnostic for typhoid fever in hospitals ?