Plasmodium circumflexum is a parasite of the genus Plasmodium subgenus Giovannolaia.

Like all Plasmodium species P. circumflexum has both vertebrate and insect hosts. The vertebrate hosts for this parasite are birds.

Plasmodium circumflexum
Scientific classification
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P. circumflexum
Binomial name
Plasmodium circumflexum

Description

The parasite was first described by Kikuth in 1931.

Geographical occurrence

This parasite is found in .

Vectors

Not known.

Clinical features and host pathology

P. circumflexum infects canvasbacks (Aythya valisineria) and wild guineafowl (Numida meleagris)

In wild guinea fowl the pathological features in acute cases include anaemia, jaundice and splenomegaly; in the subacute cases severe splenomegaly, right ventricular hypertrophy and multifocal interstitial myocarditis.[1]

References

  1. ^ Huchzermeyer F.W. and Van Der Vyver F.H. (1991) Isolation of Plasmodium circumflexum from wild guineafowl (Numida meleagris) and the experimental infection in domestic poultry. Avian Path.20(2) 213 - 223