| evaluation of a commercial competitive elisa for the detection of antibodies to rift valley fever virus in sera of domestic ruminants in france. | this paper describes the sensitivity and specificity of a commercial competitive elisa for the detection of antibodies to rift valley fever virus (rvfv) from sera of french domestic ruminants. field samples were collected from mainland france for the known-negative sera (cattle=191, goats=119, sheep=192) and from ruminants of a french overseas territory (mayotte) for the known-positive sera. a cut-off value of 43% was determined for all species, achieving a sensitivity and specificity of 100% an ... | 2009 | 19394096 |