Norovirus genogroup I+II RNA:PrThr:Pt:XXX:Ord
norovirus genogroup i+ii rna:prthr:pt:xxx:ord
Norovirus genogroup I+II ribonucleic acid:Presence or Threshold:To identify measures at a point in time:Not specified:Ordinal
norovirus genogroup i+ii ribonucleic acid:presence or threshold:to identify measures at a point in time:not specified:ordinal