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A 40-year-old man goes on a camping vacation with his family. One day after swimming in a freshwater lake near the camp site, he develops nausea and vomiting and starts to behave irrationally. His family takes him to the emergency department, where blood samples are taken and a spinal tap is performed. He is diagnosed with a rapidly progressing meningoencephalitis and dies shortly thereafter. Which of the following protozoa was most likely the cause of the man’s illness?
(A) Cryptosporidium species
(B) Entamoeba histolytica
(C) Leishmania donovani
(D) Naegleria fowleri
(E) Plasmodium falciparum
A 40-year-old man goes on a camping vacation with his family. One day after swimming in a freshwater lake near the camp site, he develops nausea and vomiting and starts to behave irrationally. His family takes him to the emergency department, where blood samples are taken and a spinal tap is performed. He is diagnosed with a rapidly progressing meningoencephalitis and dies shortly thereafter. Which of the following protozoa was most likely the cause of the man’s illness?
(A) Cryptosporidium species
(B) Entamoeba histolytica
(C) Leishmania donovani
(D) Naegleria fowleri
(E) Plasmodium falciparum
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