Equine influenza virus A1 Ab:PrThr:Pt:Ser:Ord
equine influenza virus a1 ab:prthr:pt:ser:ord
Equine influenza virus A1 Antibody:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
equine influenza virus a1 antibody:presence or threshold:to identify measures at a point in time:serum:ordinal