Acquisition of toxin-encoding lysogenic bacteriophage elements enhances the virulence of pandemic Streptococcus pyogenes M1UK - Diaz, Juan Manuel; Wells, Jasmine E J; Marple, Amanda C; Shannon, Blake A; Rishi, Aanchal; Martin, Irene; Mcgeer, Allison; Croxen, Matthew A; Tyrrell, Gregory J; Walker, Mark J; Brouwer, Stephan; Mccormick, John K (INFECTION AND IMMUNITY, 2026)