What is the pathophysiology of malaria caused by Plasmodium vivax (P vivax)?

Updated: Apr 26, 2019
  • Author: Thomas E Herchline, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

If this kind of infection goes untreated, it usually lasts for 2-3 months with diminishing frequency and intensity of paroxysms. Of patients infected with P vivax, 50% experience a relapse within a few weeks to 5 years after the initial illness. Splenic rupture may be associated with P vivax infection secondary to splenomegaly resulting from RBC sequestration. P vivax infects only immature RBCs, leading to limited parasitemia.


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