New strain of bacteria might be behind U.K. scarlet fever resurgence: study - National

Scarlet fever cases recently spiked in the U.K. and scientists are trying to figure out why.

Scarlet fever incidence in China over the period 1950-2016.

Detection of Streptococcus pyogenes M1UK in Australia and characterization of the mutation driving enhanced expression of superantigen SpeA

Twindemic and Strep A crises may have PEAKED: 'Flu-nami' admissions fall for first time this winter

Scarlet fever, a disease of yore, is making a comeback in parts of the world

Prevalence and identification of antibiotic-resistant scarlet fever group A Streptococcus strains in some paediatric cases at Shenzhen, China - ScienceDirect

Why are scarlet fever and other 'Victorian diseases' returning to the UK?

Emergence of dominant toxigenic M1T1 Streptococcus pyogenes clone during increased scarlet fever activity in England: a population-based molecular epidemiological study - The Lancet Infectious Diseases

Group A streptococcal infections: second update on seasonal activity in England, 2022 to 2023

New strain of toxin-producing strep A emerges in UK - BBC News