6533b7ddfe1ef96bd1274044
RESEARCH PRODUCT
Sentinel hospital-based surveillance for norovirus infection in children with gastroenteritis between 2015 and 2016 in Italy
Flora De ContoFabio TummoloNoemi UroneDaniela LoconsoleGianvito LanaveVito MartellaAnna MoreaMariarosaria MarinaroSimona De GraziaMaria Cristina MediciCristiana CatellaChironna MariaAntonio ParisiAdriana CalderaroGiovanni M. GiammancoFloriana Bonurasubject
0301 basic medicineRNA virusesEuropean PeopleSettore MED/07 - Microbiologia E Microbiologia Clinicavirusesmedicine.disease_causePathology and Laboratory MedicinePediatricsGeographical locationsfluids and secretionsEpidemiologyGenotypePrevalenceMedicine and Health SciencesEthnicitiesChildCaliciviridae InfectionsMultidisciplinaryIncidence (epidemiology)Database and informatics methodsQRSequence analysisvirus diseasesGastroenteritisItalian PeopleEuropeCapsidItalyMedical MicrobiologyChild PreschoolViral PathogensVirusesMedicineRNA ViralPathogensPediatric InfectionsResearch Articlemedicine.medical_specialtyGenotypingGenotypeBioinformaticsScience030106 microbiologySequence DatabasesMicrobiologyCaliciviruses03 medical and health sciencesAge groupsmedicineHumansEuropean UnionMolecular Biology TechniquesGenotypingMicrobial PathogensMolecular BiologyBiochemistry Genetics and Molecular Biology (all)RNA sequence analysisBiology and life sciencesbusiness.industrySequence Analysis RNANorovirusOrganismsGenetic VariationRNA-Dependent RNA PolymeraseVirologydigestive system diseasesResearch and analysis methods030104 developmental biologyCaliciviridae InfectionsBiological DatabasesAgricultural and Biological Sciences (all)NorovirusCapsid ProteinsPopulation GroupingsPeople and placesbusinessSentinel Surveillancedescription
Noroviruses are one of the leading causes of gastro-enteric diseases worldwide in all age groups. Novel epidemic noroviruses with GII.P16 polymerase and GII.2 or GII.4 capsid type have emerged worldwide in late 2015 and in 2016. We performed a molecular epidemiological study of the noroviruses circulating in Italy to investigate the emergence of new norovirus strains. Sentinel hospital-based surveillance, in three different Italian regions, revealed increased prevalence of norovirus infection in children (<15 years) in 2016 (14.4% versus 9.8% in 2015) and the emergence of GII.P16 strains in late 2016, which accounted for 23.0% of norovirus infections. The majority of the strains with a GII.P16 polymerase showed a GII.2 capsid genotype (79.5%). Also, a marked circulation of strains with a GII.17 capsid (14.0%) was observed, chiefly in early 2016. The emergence and global spread of non-GII.4 noroviruses pose challenges for the development of vaccine strategies.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2018-04-07 |