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Los investigadores hindúes analizaron la efectividad del Lepto dri-dot, una prueba con una gota de suero colocada sobre una tarjeta conteniendo partículas de látex recubiertas con antígeno de leptospira.
Si la prueba es positiva aparece una aglutinación granular dentro de 30 segundos. La prueba podría costar u$s 3, no requiere equipos sofisticados, los resultados son inmediatos y la puede hacer cualquier personal sanitario.
En el estudio comparativo con la prueba convencional de IgM ELISA, 20 casos fueron detectados con ambas pruebas y 3 con el Lepto dri-dot.