Transmission of West Nile virus through blood transfusion in the United States in 2002

Article Abstract:

At least 23 Americans contracted West Nile virus infection from a blood transfusion in 2002. Ten had weak immune systems and eight were 70 years old or older. The transfused blood was traced to 16 donors. Nine had symptoms of a viral infection during the time they donated blood but they tested negative for West Nile virus antibodies on the day they donated the blood.

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Neurologic manifestations and outcome of West Nile virus infection

Article Abstract:

People who develop West Nile virus infection may develop movement disorders and even partial paralysis similar to polio, according to a study of 16 patients. Fifteen developed a movement disorder and in 11 of these, the symptoms were similar to Parkinson's disease. Three developed symptoms similar to polio, and none of these patients ever completely recovered.

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West Nile virus

Article Abstract:

The epidemiology, symptoms, diagnosis, treatment, and prognosis of West Nile virus infection are reviewed. West Nile virus first appeared in the US in New York in 1999 and spread to most US states by 2002. It usually only causes mild illness but can cause neurological disorders and even paralysis in some people.

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