The clinical test that is used for diagnosis of typhoid is
1. ELISA test
2. ESR test
3. PCR test
4. Widal test
(d) Typhoid fever could be confirmed by Widal test, while ELISA (Enzyme Linked Immunosorbent Eassy) is a widely used as diagnostic test for AIDS, PCR test is Used to identify the genome sequence of organism.
ESR (Erythrocyte Sedimentation Rate) test is a type of blood test.
