TABLE 1

Correlation between detection of V-Z viral antibody by neutralization and by EIA and IAHAa

AntibodyNo. of samples with V-Z virus-neutralizing antibodyCorrelation (%)
PositivebNegative
EIA
 Positive50494
 Negative364
IAHA
 Positivec37087
 Negative1668
  • a Sera from individuals without evidence of a current V-Z virus infection.

  • b Titer > 1:4.

  • c Titer > 1:8.