Diagnostic Findings [Last Modified: ]
Malaria
[Plasmodium falciparum] [Plasmodium knowlesi] [Plasmodium malariae] [Plasmodium ovale] [Plasmodium vivax]
Causal Agent Life Cycle Geographic Distribution Clinical Features Laboratory Diagnosis Treatment

Plasmodium vivax: Blood Stage Parasites

Thin Blood Smears of Plasmodium vivax

A

A: Stages of P. vivax in thin blood smears.  Fig. 1: Normal red cell; Figs. 2-6: Young trophozoites (ring stage parasites); Figs. 7-18: Trophozoites; Figs. 19-27: Schizonts; Figs. 28 and 29: Macrogametocytes (female); Fig. 30: Microgametocyte (male).
Illustration from: Coatney GR, Collins WE, Warren M, Contacos PG. The Primate Malarias. Bethesda: U.S. Department of Health, Education and Welfare; 1971.

Thick Blood Smears of Plasmodium vivax

B

B: Stages of P. vivax in thick blood smears.
Illustration from: Wilcox A. Manual for the Microscopical Diagnosis of Malaria in Man. Washington: U.S. Department of Health, Education and Welfare; 1960.

 
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