High transmissibility of norovirus among infants and school children during the 2016/17 season in Osaka, Japan.
The number of person-to-person transmitted norovirus cases (n = 4,712) in school children in Osaka, Japan, during 2016/17 was the largest since 2012/13. Norovirus outbreaks were reported by 101 schools including 53 nursery schools (1,927 cases), 18 kindergartens (1,086 cases) and 30 elementary schools (1,699 cases). The dominant genotype among outbreaks was GII.P16-GII.2 (57.4%; 58/101), followed by GII.P2-GII.2 (8.9%; 9/101) and GII.P7-GII.6 (5.9%; 6/101). GII.4 was not detected despite dominance in previous years.
['Sakon|Naomi|N|', 'Komano|Jun|J|', 'Tessmer|Heidi L|HL|', 'Omori|Ryosuke|R|']
D000293:Adolescent D017250:Caliciviridae Infections D002648:Child D002675:Child, Preschool D004196:Disease Outbreaks D005260:Female D005759:Gastroenteritis D006801:Humans D015994:Incidence D008297:Male D029322:Norovirus D011159:Population Surveillance D012621:Seasons
norovirus epidemiology modelling school outbreaks