Evolving epidemiology of invasive Group A Streptococcus in critical care
Coronavirus
Journal of Intensive Medicine Nov 6 2025 Streptococcus pyogenes or invasive Group A Streptococcus (iGAS) is a major clinical concern around the world, since iGAS infections can quickly escalate into life-threatening conditions such as necrotizing fasciitis, septic shock, and pneumonia. In recent years, scientists have noticed that the prevalence of various pathological strains of iGAS has been evolving. Before the COVID-19 pandemic, the prevalent strain in Western Europe was Emm1 . However, in
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