A patient comes to the emergency room stating that he has fever and chills every 48 hours.The patient has a history of travel to Central America in the past month and did not take any preventative measures against malaria.A complete blood count (CBC) shows the following RBC inclusions.This organism is most likely:

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P.vivax has the widest geographic distribution and is the one most likely to be found in temperate climates.A fine pink stippling, known as Schüffner's stippling, may be present in the cell.The young trophozoite of P.vivax is characterized by its ameboid appearance; by maturity, it usually fills the red blood cell, and golden brown malarial pigment is present.CDC PHIL #5927

A Patient Comes to the Emergency Room Stating That He