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Print version ISSN 0120-4157On-line version ISSN 2590-7379


RAMIREZ-GARCIA, René et al. Leptospirosis and rickettsiosis, a diagnostic challenge for febrile syndrome in endemic areas. Biomed. [online]. 2021, vol.41, n.2, pp.208-217.  Epub June 15, 2021. ISSN 0120-4157.

This is the case of a 50-year-old male from the region of Urabá, Colombia, with a mixed infection by Rickettsia rickettsii and Leptospira interrogans serovar Copenhageni ST78 and negative test for malaria and dengue fever.

The patient presented with febrile syndrome and was unresponsive to systemic antibiotic treatment, who finally died in the intensive care unit. We established the postmortem diagnosis through molecular typification of the two etiological agents. In the inspection at the patient’s home, we found a Rattus rattus specimen infected with L. interrogans of the same serovar found in him. We found no ticks parasitizing the domestic animals cohabitating with the patient.

This case of a mixed infection with progressive and fatal symptoms in a patient with occupational risk in a tropical disease endemic zone highlights the importance of considering the potential presentation of simultaneous etiologies in patients with multiple medical visits for unresolved febrile syndromes associated with risky exposure during agricultural activities.

Keywords : Leptospirosis/diagnosis; Rickettsiaceae infections/diagnosis; fever; hemorrhage, zoonosis.

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