West Nile virus Ab:Titr:Pt:Ser:SemiQn:HAI
west nile virus ab:titr:pt:ser:semiqn:hai
West Nile virus Antibody:Dilution Factor (Titer):To identify measures at a point in time:Serum:Semiquantitative:Hemagglutination Inhibition
west nile virus antibody:dilution factor (titer):to identify measures at a point in time:serum:semiquantitative:hemagglutination inhibition