The parasite was first described by Garnham et al in 1972 
It is a member of the vivax group and closely resembles the other members of this group.
This species is found in Borneo.
Clinical features and host pathology
The parasite has an approximately 48-hour life cycle and gives rise to a tertian fever. The disease itself appears to be mild with little overt pathology.
Its prevalence varies considerably: Wolfe et al  found the highest Plasmodium spp. prevalence tp be 93.5% (29/31) in captive animals but 11.6% (5/43) in wild orangutans. Despite the apparent lack of pathology a study of the population genetics of the alpha 2 haemoglobin suggested that this parasite (or others like it) has had a significant selective effect on the orangutan genome.
- Garnham PCC, Rajapaksa N, Peters W, Killick-Kendrick R (1972) Malaria parasites of the orang-utan (Pongo pygmaeus). Ann. Trop. Med. Parasitol. 66:287–94
- Wolfe ND, Escalante AA, Karesh WB, Kilbourn A, Spielman A, Lal AA. (1998) Wild primate populations in emerging infectious disease research: the missing link. Emerg. Infect. Dis. 4:14958.
- Steiper ME, Wolfe ND, Karesh WB, Kilbourn AM, Bosi EJ, Ruvolo M. (2005) The population genetics of the alpha-2 globin locus of orangutans (Pongo pygmaeus) J. Mol. Evol. 60(3):400-408
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