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Keywords:

  • West Nile virus;
  • surveillance;
  • canines;
  • seroconversion;
  • sentinels;
  • enzyme-linked immunosorbant assay

Summary

We conducted a study to determine whether juvenile stray dogs could be sentinels for West Nile virus (WNV) surveillance. Seroconversion was detected 6 weeks before the first reported human case. Our findings provide evidence that dogs could be useful sentinels for monitoring areas for evidence of WNV during transmission seasons.