Baseline widal titre among the healthy individuals: a study in and around Badnapur, Marathwada region at Tertiary Care Hospital

Objectives: Present study was carried out to determine average baseline widal titer among the healthy individuals in and around Badnapur, Marathwada Region. Methods: A total of 340 blood samples were collected from the apparently healthy individuals were further subjected to standard quantitative widal tube agglutination test to find out baseline widal titre among healthy individuals. Result: The most frequently recorded titre for O agglutinins were 1:40 and For the H agglutinins were 1:80. The baseline anti-H agglutinin titre of the paratyphoid A(H) were 1:40 and Paratyphoid B(H) were 1:20. Conclusion: Evaluation of baseline widal titre from single serum sample is mandatory for proper interpretation widal test to guide the clinicians. Therefore it was concluded that the cut-off values for TO, TH, A(H), B(H), were 1:40, 1:80, 1:40, and 1:20 respectively for the diagnosis purpose of enteric fever in this region. Keywords: Enteric fever, Salmonella Typhi, Endemic titre