DETERMINATION OF BASELINE WIDAL TITRE AMONG HEALTHY POPULATION

Authors

  • Madhusudhan N S Pondicherry University
  • Manjunath AH Yenepoya Medical college, Mangalore

DOI:

https://doi.org/10.7439/ijbr.v3i12.843

Abstract

OBJECTIVE:To determine the baseline Widal titre in apparently healthy adult population of Hubli-Dharwad (North Karnataka region), which is an endemic area for enteric fever. METHODS:Two hundred healthy volunteers involving women attending ANC clinics, students, doctors and health care personnel were screened for Salmonella agglutinins using Widal test. Widal titres were estimated by tube agglutination method and slide semi quantitative method. RESULTS:A total of 154(77%) individuals revealed antibody titre to common O antigen. One hundred and seventy two (86%) had anti H titre and 68(34%) had anti AH titre of S.enterica . subsp. enterica. ser.Typhi and Paratyphi A respectively. Geometric mean of the observed readings were 38.58 for O, 60.37 for H and 40.02 for AH antibody. Result of slide semiquantitative and tube agglutination test were in agreement with each other. No significant difference was observed in the baseline titre among general population and health care providers. CONCLUSION: Based on these findings antibody titre of 1:40 for O, 1:80 for H and 1:40 for AH antigen considered as baseline titre in this region. Updated data on the basal antibody titres in various regions is essential to decide the cut off level for interpretation of the Widal test and proper diagnosis of Enteric fever.

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Author Biography

  • Madhusudhan N S, Pondicherry University
    Microbiology department, Assistant professor

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Published

2013-01-01

Issue

Vol. 3 No. 12 (2012): Dec

Section

Original Research Articles

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How to Cite

1.
DETERMINATION OF BASELINE WIDAL TITRE AMONG HEALTHY POPULATION. Int Jour of Biomed Res [Internet]. 2013 Jan. 1 [cited 2024 Oct. 18];3(12):437-8. Available from: https://ssjournals.co.in/index.php/ijbr/article/view/784