What are tests for typhoid fever?

Blood culture: The best way to diagnose typhoid (after asking the right questions and clinical suspicion!) is to culture blood, stool, or sometimes even bone marrow. The older "widal test" (demonstrating anti-somatic and anti-flagellar antibodies in blood) is unreliable, but often used in the developing world due to its low cost. There are newer antigen/antibody tests becoming available.

BloodStoolCultures&: Most common test is Blood,Stool&urine culture and some times Bone Marrow Culture which is the most sensitive test Other tests which can &sometimes are used like test to detect antibodies to Typhoid Bacteria or a test which checks for Typhoid DNA in your blood Widal test a presumptive serological test for Typhoid Fever.The test is not that reliable as it can be affected by past history&Vaccination