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Bangladesh Med Res Counc Bull. 2003 Dec;29(3):113-7.

Identification of serogroups of beta hemolytic streptococci in children with tonsillo-pharyngitis.

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  • 1National Center for Control of Rheumatic Fever and Heart Discases, Sher-e-Bangla Nagar, Dhaka.


Rheumatic fever and post streptococcal glomerulonephritis are common sequelae of beta hemolytic streptococci among Bangladeshi children. The occurrence of these serious complications of beta hemolytic streptococcal throat infections are related to the epidemiology of group A beta hemolytic streptococci. Little is known about the epidemiology of beta hemolytic streptococci in Bangladesh. We have studied 6890 school boys and girls of Narayangonj to find out the prevalence of beta hemolytic streptococcal infections of throat. From them we selected 2175 children, who were suffering from tonsillo-pharyngitis. This cross sectional study was conducted during March-December 1999. All statistical analysis was done by using statistical package SPSS windows version 8. The mean (SD) age of the children was 11.1 (3.3) years. Four hundred and twenty eight isolates of beta hemolytic streptococci were recovered from tonsillo-pharyngeal swab cultures obtained from 428 children. Among the isolated beta hemolytic streptococci, 92 (21.5%) belonged to group A, 5 (1.2%) to group B, 14 (3.3%) to group C and 317 (74.0%) to group G. These findings demonstrated the predominance of group G followed by A infection among school children. Therefore special attention should be paid not only to group A but also to group G. Further studies to determine prevalence of M serotypes are necessary.

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