Longitudinal cohort study of school-aged children to define the epidemiology of group A streptococcal pharyngitis. Students in grades K - 8 will be enrolled and throat cultures obtained twice monthly and with each respiratory illness for four years. GAS isolates will be typed by FIGE to determine relatedness and to define infection, carriage, and recurrences. Samples of saliva will be collected for antibody assays and for use in GAS adherence inhibition assays.
Four aims (1) to define the epidemiology of GAS pharyngitis in children; (2) to determine whether specific M-types protect against subsequent infection by GAS with homologous or heterologous M-types; 3)to correlate clinical features that protect against subsequent GAS pharyngitis; and 4) to determine whether saliva produced after GAS infection interferes with adherence of GAS to pharyngeal cell cultures.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
General Clinical Research Centers Program (M01)
Project #
2M01RR000084-38
Application #
6408082
Study Section
National Center for Research Resources Initial Review Group (RIRG)
Project Start
1974-10-01
Project End
2004-11-30
Budget Start
Budget End
Support Year
38
Fiscal Year
2000
Total Cost
Indirect Cost
Name
Children's Hosp Pittsburgh/Upmc Health Sys
Department
Type
DUNS #
044304145
City
Pittsburgh
State
PA
Country
United States
Zip Code
15224
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