Novel emm4 lineage associated with an upsurge in invasive group A streptococcal disease in the Netherlands, 2022
Description
Invasive group A streptococcal (iGAS) disease cases increased in the first half of 2022 in the Netherlands, with a remarkably high proportion of emm4 isolates. Whole-genome sequence analysis of 66 emm4 isolates, 40 isolates from the pre-coronavirus
