Increased circulation of GII.17 noroviruses, six European countries and the United States, 2023 to 2024.

ABSTRACT: We report an increase in GII.17 norovirus outbreaks and sporadic infections of acute gastroenteritis in Austria, Germany, France, Ireland, the Netherlands, England and the United States during the 2023/24 season. A decrease in GII.4 coincided with GII.17 prevalence increasing to between 17% and 64% of all GII detections. Overall, 84% of the GII.17 strains clustered closely with strains first reported in Romania in 2021 and two new sub-lineages were identified. Norovirus surveillance and molecular characterisation should be prioritised this winter.

SUBMITTER: Chhabra P 

PROVIDER: S-EPMC11484341 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature