Volume 11, Number 7—July 2005
Letter
West Nile Virus Detection and Commercial Assays
Figure

Figure. . West Nile virus (WNV) immunoglobulin (Ig)M index values in serum specimens from 38 WNV case-patients detected in the fall of 2003. The assay was performed by using the Focus Technologies kit, as per the manufacturer's instructions. An index >1.1 indicates a positive result and an index <0.9 indicates a negative result.
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