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Photomicrographs of cells infected with Anaplasma phagocytophilum. A) Wright-Giemsa–stained granulocytic cell of a BALB/c mouse. B) Wright-Giemsa-stained HL60 cells. C) Immunofluorescent-stained infected HL60 cells. D) Electron photomicrographs of an HL60 cell. Original magnifications ×1,500 (A–B), ×1,000 (C), and ×6,200 (D).
