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Table 1 Anti-WNV antibodies in the IVIG preparations used for treatments

From: Using high titer West Nile intravenous immunoglobulin from selected Israeli donors for treatment of West Nile virus infection

 

Titer by ELISA

Titer by PRNT50

IVIG Preparation

AU/ml

AU/mg

WNU/ml

WNU/mg

WNIG

7608

152

9900

198

IVIG-IL

668

13

1032

21

IVIG-US

179

4

Not done

  1. WNIG, high titer anti-WNV IVIG (from selected donors); IVIG-IL, IVIG preparation from the pooled plasma of Israeli donors; IVIG-US, IVIG preparation from the pooled plasma of US donors. AU, arbitrary units of anti-WNV antibodies per mouse (as assessed by ELISA, see Methods). WNU, the reciprocal of the highest dilution giving 50% reduction in a PRNT50 assay.