Of the 4,465 sera tested, 10.5% (n = 467) tested positive
for the presence of antibodies against FMD, using the
3ABC ELISA test. The true prevalence was calculated at
8.15%, with the positive and negative predictive values
being 73.76% and 99.54%, respectively (Table I). The
highest seroprevalence was detected in samples from
Oromia (20.7%); however, no FMDV-specific antibodies
were detected in Gambella or Benishangul.