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Published on: November 16, 2016
Occurrence of group C Streptococci in children in a South Indian village
Thangam Menon1, S Shanmugasundaram, M Palani Kumar
1Department of Microbiology, Dr. ALM PGIBMS, University of Madras, Taramani, Chennai. thangam16@rediffmail.com
Insights
Group C Streptococci were detected in 4.19% of rural children. Four strains were identified as Streptococcus equisimilis, with some linked to respiratory infections.
Area of Science:
- Microbiology
- Pediatrics
- Infectious Diseases
Background:
- Group C Streptococci (GCS) are significant human pathogens.
- Respiratory tract infections are common in children, particularly in rural settings.
- Understanding the prevalence of GCS in pediatric populations is crucial for public health.
Purpose of the Study:
- To determine the prevalence of Group C Streptococci among children attending a rural health camp.
- To characterize the isolated GCS strains using biochemical methods.
- To identify specific GCS species, such as Streptococcus equisimilis.
Main Methods:
- Throat swabs were collected from 310 children (aged 5-14 years).
- Bacterial isolation and identification of Group C Streptococci.
- Biochemical characterization including hemolysis, Voges-Proskauer test, sugar fermentation (trehalose, sorbitol), and enzyme hydrolysis (4-methylumbelliferyl-D-β-glucuronide).
Main Results:
- Group C Streptococci were isolated from 13 out of 310 children (4.19% prevalence).
- Seven of the 13 positive cases presented with symptoms of respiratory tract infection.
- Biochemical tests identified four of the GCS isolates as Streptococcus equisimilis.
Conclusions:
- Streptococcus equisimilis is present in the pediatric population attending rural health camps.
- A significant proportion of GCS isolates were associated with respiratory symptoms.
- Further research is warranted to understand the clinical significance and transmission of GCS in this demographic.
Abstract:
Throat swabs were collected from 310 children aged 5-14 years attending a rural health camp at Orathur near Chennai. Group C Streptococci were isolated from 13/310 (4.19%) cases. Seven out of 13 patients had symptoms of respiratory tract infection. Biochemical characterization of the isolates was done by hemolytic characteristics, Voges-Proskauer test, fermentation of trehalose and sorbitol and hydrolysis of 4-methylumbelliferyl-D-â-glucuronide. Four out of 13 strains were identified as S. equisimilis.
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