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CASE
A 62 year-old female is admitted with a 3-day history of malaise, fever, and myalgia. Five days ago, she flew back from the United States where she had spent 2 weeks travelling around the country. Over the next days, she developed cnfusion and seizures and eventually became comatose. CSF analysis showed 98 white cells per mm3 and a protein concentration of 0.88 g/L. MRI T2 FLAIR of the brain is shown below. What is the most likely diagnosis?

A. Eastern equine encephalitis
B. La Crosse encephalitis
C. Murray valley encephalitis
D. St Louis encephalitis
E. West Nile encephalitis
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