J Pediatr Infect Dis 2024; 19(01): 001-010
DOI: 10.1055/s-0043-1772740
Review Article

Invasive Streptococcus pyogenes: A Short Literature Review

1   Department of Medical Microbiology, Faculty of Medicine, Ondokuz Mayis University, Samsun, Türkiye
Mustafa Altındiş
2   Department of Medical Microbiology, Faculty of Medicine, Sakarya University, Sakarya, Türkiye
› Author Affiliations


ObjectiveStreptococcus pyogenes also called Group A streptococci (GAS) is an important pathogen known since past years and infects millions of people around the world every year and can cause death. Although it often causes pharyngitis and skin infections, it can also spread to the bloodstream and cause invasive GAS (iGAS) infections. In this review, studies on the epidemiology of GAS and iGAS and vaccine studies were reviewed.

Methods A comprehensive search of databases was conducted up to April 1, 2023 to related studies, in English using the following terms: S. pyogenes, GAS, invasive S. pyogenes infections, iGAS, S. pyogenes vaccine. The data extraction was conducted by two investigators using the same methodology.

Results There has been an increase in iGAS infections in various countries in the last year and they have been followed closely. Although the reason for the increase in iGAS cases cannot be determined exactly, it is thought that the recent removal of coronavirus disease 2019 restrictions and the increase in the number of individuals susceptible to GAS and to viral respiratory pathogens is thought to have caused this situation. Another important issue with GAS is the vaccine studies. Vaccines are based on two different targets: M protein-based and non-M protein-based. Phase-I clinical trials have been initiated for some vaccines.

Conclusion The increase in recent iGAS infections will draw attention to this agent and accelerate vaccine studies.

Publication History

Received: 24 April 2023

Accepted: 21 July 2023

Article published online:
31 August 2023

© 2023. Thieme. All rights reserved.

Georg Thieme Verlag KG
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