West Nile Virus

New test quickly diagnoses virus infection

Published in Medical Letter on the CDC and FDA, October 5th, 2003

A new test differentiating West Nile virus from similar viruses may be useful in quickly diagnosing infections in both clinical and veterinary practices say researchers from New York, Connecticut, Colorado, and Canada.

West Nile virus is one of many pathogens belonging to the flavivirus group. Current methods of diagnosis involve testing antibodies against viral structural proteins, the main one being the E protein. Because the E protein is found in other flaviviruses such as dengue virus and St. Louis encephalitis, positive antibody E results are not a definitive diagnosis of West Nile virus. Therefore, additional testing is required to differentiate between the...

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Source: Medical Letter on the CDC and FDA (2003-10-05)

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