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Epidemiology
Early clinical features of West Nile virus infection are nonspecific
October 23rd, 2005
Early clinical features of West Nile virus infection are nonspecific. "We studied early clinical features of the West Nile virus (WN-V) infection. Case patients were Ohio residents who reported to the Ohio Department of Health from August 14 to December 31, 2002, with a positive serum or cerebrospinal fluid for anti-WNV IgM," scientists writing in the American Journal of Emergency Medicine report. "Of 441 WN-V cases, medical records of 224 (85.5%) hospitalized patients were available for review. Most frequent symptoms were fever at a temperature of 38.0 degrees C or higher (n=155; 69.2%), headache (n=114; 50.9%), and mental status changes...
Source: Medical Letter on the CDC & FDA (2005-10-23)
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