Spotted fever in Argentina. Description of two clinical cases

Rickettsioses are zoonotic tick-borne diseases. In Argentina, there are two epidemiological scenarios: jungle of Salta and Jujuy, involving vectors from the "Amblyomma cajennense Complex" (A. sculptum, and A. toneliae) and Rickettsia rickettsii as the main etiological agent; and the second...

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Veröffentlicht in:Revista argentina de microbiología 2019-10, Vol.51 (4), p.339
Hauptverfasser: Armitano, Rita Inés, Guillemi, Eliana, Escalada, Valeria, Govedic, Francisco, Lopez, Jose Luis, Farber, Marisa, Borras, Pablo, Prieto, Monica
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Sprache:eng ; spa
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Zusammenfassung:Rickettsioses are zoonotic tick-borne diseases. In Argentina, there are two epidemiological scenarios: jungle of Salta and Jujuy, involving vectors from the "Amblyomma cajennense Complex" (A. sculptum, and A. toneliae) and Rickettsia rickettsii as the main etiological agent; and the second scene to Delta del Rio Paraná and Samborombón Bay, where Amblyomma triste acts as a vector; and the provinces of Córdoba, La Rioja, San Luis and La Pampa where Amblyomma tigrinum is the vector. In this second scenario, Rickettsia parkeri is the causal agent. The spotted fever (SF) due to R. rickettsii is responsible for a severe cutaneous and systemic disease. Contrarily, R. parkeri produces benign and self-limited clinical manifestation. Here we describe a fatal SF case by R. rickettsii, in El Tunal, Salta and the first SF case due to R. parkeri in San Juan.
ISSN:0325-7541
DOI:10.1016/j.ram.2018.11.001