Fig 1. AlHV-1 neutralization by malignant catarrhal fever virus (MCFV) antibody-containing sera from animals in the subfamily Alcelaphinae.
Virus neutralization titers are the reciprocal of the highest serum or plasma dilution which inhibited CPE in more than 50% of the wells at that dilution. Each circle represents a pool of sera. Lines indicate the mean titers in each group. * = Statistically significant difference. ns = not significant. Ab+ = MCFV Ab positive. Ab- = MCFV Ab negative.