NorovirusCaliciviridae InfectionsGastroenteritisPhylogenyDisease OutbreaksVirus InactivationFecesFoodborne DiseasesSapovirusSequence Analysis, DNACaliciviridaeRNA, Ribosomal, 16SMolecular Sequence DataDNA, RibosomalOstreidaeBlood Group AntigensNorwalk virusCapsid ProteinsFood HandlingCalicivirus, FelineDisinfectionRNA, ViralVaccines, VirosomeFood ContaminationWater MicrobiologyLettuceShellfishDNA, BacterialBase CompositionGenes, rRNAGenotypeSpecies SpecificityFood MicrobiologyShipsReverse Transcriptase Polymerase Chain ReactionSeasonsRotavirusVirosomesRotavirus Infections