Infections Caused by Group C and G Streptococcus ( Subsp. and Others): Epidemiological and Clinical Aspects

Overview

Journal Microbiol Spectr

Specialty Microbiology

Date 2019 Apr 13

PMID 30977463

Citations 27

Authors

Gio J Baracco

Affiliations

Soon will be listed here.

Abstract

Streptococci carrying serogroup C and G antigens, and in particular, subsp. (SDSE), are emerging human pathogens that are increasingly isolated from patients with a myriad of infections that range from mundane to life-threatening. SDSE is microbiologically similar to . These streptococci frequently cause infections of the throat and skin and soft tissues. Moreover, they may invade the bloodstream and disseminate widely to many deep tissue sites, including the endocardium. Life-threatening invasive infections due to SDSE, including the streptococcal toxic shock syndrome, occur most frequently in patients with severe underlying medical diseases. Treatment with penicillin is adequate under most circumstances, but treatment failure occurs. SDSE may also be resistant to other antibiotic classes including tetracyclines, macrolides, and clindamycin. Most human infections caused by groups C and G streptococci are transmitted from person to person, but infections due to subsp. (and, rarely, to subsp. ) are zoonoses. Transmission of these latter species occurs by animal contact or by contamination of food products and has been associated with the development of poststreptococcal glomerulonephritis. Members of the group, usually classified with the viridans group of streptococci, are associated with a variety of pyogenic infections.

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