Invasive Group A streptococcal infections: are we facing a new outbreak? A case series with the experience of a single tertiary center.

"Declarations Ethics approvaland consent to partecipate: No experimental protocols have been applied in the manuscript. The study was exempt from ethical committee approval since it was confinedto anonymized and unidentifiable data routinely collected in our clinicalpractice. All methods were performed in accordance with the ethical standards as laid down in the Declaration of Helsinki and its later amendments or comparable ethical standards. An informed consent was obtained from the parents of the patients to either describe the case report and use the pictures. Consent for publicationAll participants or their responsible guardians gave their consent forpublication. Competing interestsThe authors declare that they have no competing interests. Conflict of interestThe authors declare no conflicts of interest. AcknowledgementsNot applicable. Competing interests The authors declare that they have no competing interests. Competing interests Conflict of interest The authors declare no conflicts of interest. Conflict of interest"

"Funding This research received no external funding."