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Fig. 1 | Malaria Journal

Fig. 1

From: Plasmodium pitheci malaria in Bornean orang-utans at a rehabilitation centre in West Kalimantan, Indonesia

Fig. 1

Composite of development of Plasmodium pitheci consistently observed among infected orang-utans at IAR RRC during the study period: Early ring stages (1–3), maturing trophozoites (4, 5), mature trophozoites (6, 7), maturing schizonts (8, 9), mature schizont (10), and microgametocytes (11–13). Note the absence of enlarged red blood cells at any stage of development and dispersed, un-clumped hemozoin through latter development. These features, along with < 15 merozoites within mature schizonts are the basis of the morphological diagnosis of P. pitheci. Panel 14 illustrates a thin smear from the presentation of Case 9 (Bunga) with a parasitaemia of over 20,000/µL blood and an acute febrile illness

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