Microbiology A 24 years cook in a hostel is suffering from enteric fever 2 years back. The chronic carrier state in patient is diagnosed by: A Vi agglutination test B Blood culture in brain hea infusion broth C Widal test D C. reactive protein 💡 Explanation A 24 years cook in a hostel is suffering from enteric fever 2 years back. The chronic carrier state in patient is diagnosed by: ✓ Correct Answer: A. Vi agglutination test