Norovirus ndiyo inonyanya kukonzera chirwere chinokonzerwa nezvokudya muMinnesota. Vanhu vakawanda vanopora mumazuva mashomanana, asi vanhu vane zvirwere zvemasimba asina simba vanogona kuva nezviratidzo zvenguva refu. Shandisa mushonga we bleach, kusvika ku 1 12 makapu e bleach mune rimwe galoni remvura, kuchenesa nzvimbo mushure mekurutsa kana njodzi dzemanyoka. Pfeka magirovhosi emarara paunenge uchichenesa, uye urase mapepa emapepa mupurasitiki.