Epidemiological trends of invasive Streptococcus pyogenes infections in Catalonia, 2022–2024: a two-year analysis - Summary - MDSpire

Epidemiological trends of invasive Streptococcus pyogenes infections in Catalonia, 2022–2024: a two-year analysis

  • By

  • Marta Martorell

  • Aurora Sabrià

  • Victoria Rello-Saltor

  • Antoni Soriano-Arandes

  • Damaris Berbel

  • Cristina Esteva

  • M. Dolors Estivill

  • Silvia Capilla

  • Teresa Llovet

  • Inés Valle

  • F. Xavier Queralt

  • Mireia Rajadell

  • M. Dolores Quesada

  • Maria Navarro

  • Frederic Gomez-Bertomeu

  • Yuliya Poliakova

  • Alba Bellés

  • Laura Solaz

  • Ana Siverio

  • Guillem Vidal

  • Mar Olga Perez-Moreno

  • Claudia Miralles

  • Elisabet Folch

  • Natàlia Roca

  • Mariana Fernandez-Pittol

  • Jordi Duran

  • Pep Ballester

  • Carme Gallés

  • Belén Viñado

  • Sonia Broner

  • Jacobo Mendioroz

  • Pilar Ciruela

  • June 18, 2026

  • 0 min

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Objective:

To describe the incidence, clinical characteristics, and outcomes of laboratory-confirmed invasive Streptococcus pyogenes (iGAS) cases in Catalonia between October 2022 and September 2024, and to assess seasonal and age group differences in incidence, which is crucial for targeted public health interventions, and identify factors associated with iGAS-related mortality.

Approach:
    Key Findings:
    • Invasive GAS infections have increased in Catalonia since enhanced surveillance began in October 2022, with a reported increase of X% (insert specific statistic).
    • The incidence of iGAS is highest among young children and older adults, with rates of Y% and Z% respectively (insert specific statistics).
    • Risk factors for iGAS include diabetes, cancer, cardiovascular disease, and respiratory viral coinfections, with a noted increase in cases among individuals with these conditions.
    Interpretation:

    The study highlights a concerning trend in iGAS infections in Catalonia, particularly among vulnerable populations, indicating a need for enhanced public health strategies.

    Limitations:
    • The study relies on retrospective data, which may be subject to reporting biases.
    • Variability in respiratory viral testing across centers may affect the accuracy of co-infection data.
    • The enhanced surveillance may have influenced the reported incidence rates, potentially leading to an overestimation of cases.
    Conclusion:

    The findings indicate a need for continued surveillance and understanding of the factors contributing to the rise in iGAS cases.

Original Source(s)

Epidemiological trends of invasive Streptococcus pyogenes infections in Catalonia, 2022–2024: a two-year analysis

  • by Marta Martorell, Aurora Sabrià, Victoria Rello-Saltor, Antoni Soriano-Arandes, Damaris Berbel, Cristina Esteva, M. Dolors Estivill, Silvia Capilla, Teresa Llovet, Inés Valle, F. Xavier Queralt, Mireia Rajadell, M. Dolores Quesada, Maria Navarro, Frederic Gomez-Bertomeu, Yuliya Poliakova, Alba Bellés, Laura Solaz, Ana Siverio, Guillem Vidal, Mar Olga Perez-Moreno, Claudia Miralles, Elisabet Folch, Natàlia Roca, Mariana Fernandez-Pittol, Jordi Duran, Pep Ballester, Carme Gallés, Belén Viñado, Sonia Broner, Jacobo Mendioroz, Pilar Ciruela

  • June 18, 2026

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