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Figure 2 | Veterinary Research

Figure 2

From: Evaluation of the pathogenicity of West Nile virus (WNV) lineage 2 strains in a SPF chicken model of infection: NS3-249Pro mutation is neither sufficient nor necessary for conferring virulence

Figure 2

Neutralizing antibodies titers follow-up after infection with lineage 2 WNV strains. Mean neutralizing antibodies titers over days post-infection were estimated by β-seroneutralization tests in day-old SPF chicks experimentally inoculated with either Hun2004 (black bars), Aus2008 (hatched bars) or Gr2011 (white bars) lineage 2 WNV strains. Error bars represent the standard error of the mean. Above the bars, numbers of positives/examined samples are indicated.

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