ArticleJournal of laboratory physicians
Prevalence of Beta-Hemolytic Streptococci Groups A, C, and G in Patients with Acute Pharyngitis.
Article in Journal of laboratory physicians. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 18 citations in OpenAlex.
- Throat Swab Culture Positivity Rate, Antibiotic Susceptibility Profile, and Associated Risk Factors ofInternational journal of microbiology · 2026Article
- Associated Bacterial Coinfections in COVID-19-Positive Patients.Medicina (Kaunas, Lithuania) · 2023Article
- Pathogenicity Factors in Group C and G Streptococci.Microbiology spectrum · 2019Review
- Clinical Screening Tools to Diagnose Group A Streptococcal Pharyngotonsillitis in Primary Care Clinics to Improve Prescribing Habits.The Malaysian journal of medical sciences : MJMS · 2018Review
- Invasive group G streptococcal infection in a paediatric patient.BMJ case reports · 2016Article
Corrections and comments
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Authors and funding
3 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
contextGroup A beta-hemolytic streptococci (GAS) is the most frequently isolated pathogen in acute pharyngitis. However, the role of Group C (GCS) and Group G (GGS) streptococci in disease burden is under recognized. The present study is carried out to find out the prevalence of acute pharyngitis caused by the different serogroups of streptococci and antibiotic susceptibility pattern of these streptococcal isolates. STUDY AND
designA cross sectional study. MATERIALS AND
methodsA total of 218 throat swabs from patients with acute pharyngitis and 82 from healthy controls were collected and processed as per standard protocol. Samples were inoculated on blood agar and Streptococcus selective agar. Isolates were identified by the conventional method and serogrouped by latex agglutination test using Remel Streptex kit.
resultsBeta-hemolytic streptococci (BHS) were isolated from 34 (15.59%) of pharyngitis patients and 11 (13.41%) of the healthy carrier. Among pharyngitis, GAS was isolated from 20 (9.17%), GCS 7 (3.21%), and GGS 7 (3.21%) patients. Carriage rate of GAS was 6 (7.31%) and GCS, 5 (6.09%). Vancomycin (100%), amoxyclavulanic acid (90%), levofloxacin (85%), and cephotaxime (80%) were found to be most effective antibiotics. Comparatively, higher drug resistance was observed among GCS and GGS to all the drugs used in the study except for levofloxacin.
conclusionsAlthough rate of pharyngitis associated with GCS and GGS is marginally lower than GAS, their carriage rate among healthy and relative higher drug resistance emphasizes the need for periodic surveillance of infection by the different serogroups of BHS.
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