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Volume 18, Number 12—December 2012


West Nile Virus Neurologic Disease in Humans, South Africa, September 2008–May 2009

Dewald Zaayman and Marietjie VenterComments to Author 
Author affiliations: Author affiliations: University of Pretoria, Pretoria, South Africa (D. Zaayman, M. Venter); National Institute for Communicable Diseases, Johannesburg, South Africa (M. Venter)

Main Article

Table 2

Results of a time-trial experiment with serum samples from a WNV-infected person, South Africa*

Days after exposure to WNV IgM ELISA† Neutralization assay (titer) Nested PCR
0 Neg Neg Neg
8 Neg Neg Pos
9 Neg Neg Pos
10 Neg Neg Neg
11 Neg Neg Neg
13 Neg Pos (20) Neg
16 Pos Pos (40) Neg
26 Pos Pos (40) Neg
30 Pos Pos (80) Neg

Main Article