You can thank the anti-vaxxer BS for this
#ScarletFever is on the rise
https://pubmed.ncbi.nlm.nih.gov/38191230
Recent significant rise in scarlet fever has led to a significant increase in the number of invasive group A streptococcal infections with increased mortality in paediatric patients.
https://arstechnica.com/
@Lavanilla yes but RSV, seasonal flu, COVID all have vaccines and those diseases lower immunity to other viruses and bacteria. There has been a significant increase in vaccine avoidance and thus an increase in this lower immunity to all infections.