Since late 2022, an increase in Streptococcus pyogenes (Group A Streptococcus , GAS) infections, both non-invasive and invasive (iGAS), has been reported globally. This study investigates
Objective To investigate the infection of group A streptococcus (GAS) in the same class of scarlet fever cases in schools reporting the clustering epidemic, and to analyze the related factors affectin
