At Kingston Park Raceway, the thrills and excitement never stop! Weâre open 7 days a week and, for your convenience, weâre open late 4 nights a week, including on Friday and Saturday nights.
The most. significant pathogens are Streptococcus pyogenes (Lancefield Group A), Streptococcus. agalactiae (Lancefield Group B) a nd Streptococcus pneumoniae. Some streptococci (fo rmerly. group D) n ow placed in the genus Enterococcus are of medical significance because they are.
1 Group A Streptococcus (Streptococcus pyogenes). 2  These are beta-hemolytic, and bacitracin sensitive; cause septicemia, impetigo, pharyngitis, acute glomerulonephritis (AGN), rheumatic fever, wound infections, etc. 3  Group B Streptococcus (Streptococcus agalactiae).