A 20-year-old woman arrived at an immediate-care medical
facility with recurring fever and chills. She reported an episode
that began about 30 minutes before her admission. She had
had headaches, muscle aches, and nausea for 4 days before
the beginning of the fever and chills. She told the physician
that she had recently returned from a missionary trip to
Honduras and thought she might have the flu. A complete
blood count and urinalysis were ordered but the results were
unremarkable. The differential report, however, noted the
parasite forms seen in the accompanying figure.
1. What is the probable parasite (genus and species)?
2. What characteristics allowed you to differentiate this
parasite from others in the same genus?
3. How did the patient acquire this infection?
4. What steps could the patient have taken to avoid this
infection?
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