阿根廷的帕克立克次体。

Clinical reports of an eschar-associated rickettsiosis in the Paraná River Delta of Argentina prompted an evaluation of Amblyomma triste ticks in this region. When evaluated by PCR, 17 (7.6%) of 223 questing adult A. triste ticks, collected from 2 sites in the lower Paraná River Delta, contained DNA of Rickettsia parkeri.

阿根廷巴拉那河三角洲地区出现的与焦痂相关的立克次体病临床报告促使人们对该地区的迟钝钝眼蜱进行评估。通过聚合酶链反应（PCR）检测，从巴拉那河三角洲下游两个地点采集的223只成年饥饿迟钝钝眼蜱中，有17只（7.6%）含有帕克立克次体的DNA。