Taxonomy: f. Plasmodidae
Animal: Plasmodium vivax 2 20.jpg
Sites: Blood
Comment:
Plasmodium vivax in thin film - ring with inclusions. These are loops or rings with no obvious relationship to the parasite but sometimes are seen in P.vivax infected cells. In cases like this, further examinations should be performed to find more forms of the parasite before making a diagnosis. The incubation period is 10-17 days and the paroxysm period is 44-48 hours, somewhat irregular at first but becoming more so as the broods of parasites synchronise their cycles (this does not occur as much with P.falciparum infections). Different strains have different incubation times and relapse intervals as well as different morphological features eg. The Malaysian strains have more multiple infections and smaller schizonts with fewer merozoites, some PNG strains have P.ovale type features.
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