1. UK Health Security Agency. Group A streptococcal infections: report on seasonal activity in England, 2022 to 2023. 5 Jan 2023. 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
2. WHO. Increased incidence of scarlet fever and invasive group A streptococcus infection—multi-country. 2022. https://www.who.int/emergencies/disease-outbreak-news/item/2022-DON429
3. ECDC. Increase in invasive group A streptococcal infections among children in Europe, including fatalities. 12 Dec 2022. https://www.ecdc.europa.eu/en/news-events/increase-invasive-group-streptococcal-infections-among-children-europe-including#:~:text=A%20number%20of%20European%20countries,than%20ten%20years%20of%20age
4. Resurgence of scarlet fever in England, 2014–16: a population-based surveillance study
5. Emergence of dominant toxigenic M1T1 Streptococcus pyogenes clone during increased scarlet fever activity in England: a population-based molecular epidemiological study