Streptococcus pyogenes

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

By MedXY 10/27/2025

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.

Infectious Diseases news Pediatrics Respiratory

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

By MedXY 10/27/2025

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.

Infectious Diseases news Pediatrics

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

By MedXY 10/26/2025

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.