Increase in bloodstream infections caused by emm1 group A Streptococcus correlates with emergence of toxigenic M1UK, Belgium, May 2022 to August 2023

We present the epidemiology ofemm1 causing iGAS in Belgium during 2018–August 2023, and describe an emergence of the toxigenic M1UK lineage in Belgium in mid-2022 that was observed as an increase in bloodstream infections caused byemm1S. pyogenes that continued into 2023.

Source: Eurosurveillance - September 7, 2023 Category: Infectious Diseases Authors: Juan Pablo Rodriguez-Ruiz, Qiang Lin, Christine Lammens, Pierre R Smeesters, Stefanie van Kleef-van Koeveringe, Veerle Matheeussen and Surbhi Malhotra-Kumar Source Type: research