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Histopathology of tissues from C3H/HeN mice infected intravenously with Rickettsia parkeri. A and B: Areas of infarction surrounded by granulation tissue and inflammatory cells in liver 6 days after infection. C and D: Inflammatory infiltration in hepatic tissue of animals 6 days after infection. E: Focus of lymphocytic inflammation in lung 6 days after infection. F: Persistence of inflammatory infiltration in lung 30 days after infection.
