| streptococcal throat carriage in school children with special reference to seasonal incidence. | a number of studies on throat carriage of beta hemolytic streptococci (bhs) carried out during the years 1972-90 in urban and rural school children from low socioeconomic groups in the age group of 5-15 years in and around delhi showed an overall carriage rate of bhs varying from 12.2%-64.3% depending upon the season and number of swabs taken. group a was found to be the most predominant serological group (31.1%-62.6%). the t-typability was found to be 98.2%. the most prevalent t-patterns observ ... | 1992 | 1298077 |