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In the north of Caldas, Colombia, febrile syndromes with positive Weil-Felix reactions have been reported as Murine typhus to the national health authorities. We used indirect immunofluorescence assay (IFA) of serial paired samples to confirm the diagnosis of murine typhus in 14 of 120 patients with a compatible febrile syndrome.
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Hidalgo et al. (2008) studied this question.
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