TABLE 2.

NT-ELISA of field-collected sera from WNV-vaccinated horsesa

NT-ELISA resultsbPRNT resultsc
Positive (n = 180)Negative (n = 32)
Positive (n = 174)1731
Negative (n = 38)731
  • a Agreement (k) between the two tests was 0.86.

  • b Sera having PI values of >35 at a final dilution of 1:10 were considered positive by NT-ELISA. All sera were tested in duplicate.

  • c Results are given in numbers of serum samples. Sera having PRNT90 titers of >10 were considered positive by PRNT for WNV.