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Turkish Journal of Medical Sciences

DOI

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Abstract

Tetanus is a vaccine-preventable disease of global importance. When acquired it has a high mortality rate. Screenings of special subpopulations such as women of childbearing age provide important clues about tetanus vaccination coverage, and tools for mass protective measures, e.g, protective measures for neonatal tetanus. In addition to its reliability and sensitivity, the main advantage of a mass-screening tool should be its cost-effectiveness. We aimed to develop a cost-effective and sensitive enzyme-linked immunosorbent assay (ELISA) that can be used for diagnostic research as well as mass screening purposes for antitetanus antibodies. Our in-house antitetanus ELISA was validated and tested for its sensitivity and specificity and then compared with a commercially available kit. The analytical sensitivity of the in-house ELISA was less than 0.008 IU/ml. For the tested concentrations the intra- and inter-assay coefficients of variation were between 0.8 and 4.1% and between 2.2 and 8.6% respectively. The results demonstrated that our in-house ELISA is quite sensitive and has a high performance with human sera similar to that of a commercial kit in determining the antitetanus antibody concentrations and may be used for diagnostic purposes as well as in mass screenings for tetanus vaccination coverage.

Keywords

Antitetanus antibodies, Tetanus toxoid, Tetanus diagnosis, ELISA

First Page

289

Last Page

294

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