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Norovirus generally causes a mild illness in the community. However, modeling routine hospital admission statistics, we estimate that ~3000 norovirus admissions to English hospitals occur per year, accounting for 0.3% and 0.1% of emergency admissions among elderly and adult patients, respectively, at times of peak activity. These admissions pose a risk for subsequent nosocomial infection outbreaks. [ABSTRACT FROM AUTHOR]

The author focuses on environmental transmission of norovirus due to vomiting on aircraft. He mentions that public vomiting in direct transmission can spread norovirus and can lead to outbreaks and from the time of vomiting norovirus occurs a week later. He also mentions that the use of sodium hypochlorite can least prevent the outbreak and he suggests for an additional study to find the needed disinfectants or sanitizer that are safe and effective when norovirus outbreak occur.