Overview
- Purpose: A serological test used to diagnose typhoid fever and other salmonella infections.
- Procedure: Involves analyzing blood serum for antibodies against specific Salmonella typhi antigens, including O (O antigen), H (flagellar antigen), and sometimes Vi antigen.
- Frequency: Ordered for individuals suspected of having typhoid fever, especially in regions where the disease is endemic.
- Significance: Helps confirm the diagnosis of typhoid fever and guide appropriate treatment, especially in areas with limited access to laboratory facilities.
- Interpretation: Positive results, particularly significant increases in antibody titers, suggest recent or current infection with Salmonella typhi.
