Streptococcus pyogenes

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Surge in Invasive Streptococcus pyogenes Infections Among Children Post-COVID-19: Insights from a Spanish Nationwide Study

A Spanish multicenter study reveals a sharp rise in pediatric invasive group A streptococcal infections and severity after 2022, highlighting emm1 strain predominance and risk factors for critical illness and mortality.

Oct 27, 2025

Infectious Diseases

Impact of COVID-19 Restrictions on Immunity to Streptococcus pyogenes and Respiratory Viruses in Early Childhood

This study examines how pandemic-related nonpharmaceutical interventions affected immunity development to Streptococcus pyogenes and common respiratory viruses in children aged 0-4 years, offering insights into rising invasive infections.

Oct 27, 2025

Infectious Diseases

Delayed Immunity to Streptococcus pyogenes and Respiratory Viruses in Young Children Following COVID-19 Restrictions: Implications for Recent Infection Surges

A European study reveals that COVID-19 nonpharmaceutical interventions led to reduced immunity against S pyogenes and RSV in children aged 3-4, potentially explaining the recent spike in severe infections.

Oct 26, 2025