1. UK Health Security Agency. Group A streptococcal infections: report on seasonal activity in England, 2022 to 2023. Dec 2022. https://www.gov.uk/government/publications/group-a-streptococcal-infections-activity-during-the-2022-to-2023-season/group-a-streptococcal-infections-report-on-seasonal-activity-in-england-2022-to-2023.