iNorovirus yimbangela lenkhulu yekubhebhetseka kwetifo letitfolakala ekudleni eMinnesota. bantfu labanyenti bayaphola emalangeni lambalwa, kepha bantfu labanemasotja emtimba laphansi bangabukana netimphawu letindze. sebentisa likhambi le-bleach yasendlini, kuze kufike ku 1 12 tinkomishi te bleach kuligaloni linye lemanti, kucoca tindzawo ngemuva kwekuhlanta nobe tingoti tekuhamba. gcoka emaglavu enjoloba ngesikhatsi uhlanta, bese ulahla emathuluzi ephepha esikhwameni sepulasitiki.