Prevalence and antibiotic susceptibility of group A beta-haemolytic streptococcal isolates in children presenting with acute pharyngitis in Lusaka, Zambia
Classification of Streptococci... Streptococci are classified into the alpha, beta, or gamma groups, according to their action on blood cells. Streptococci of the alpha group (e.g., the viridans and S. pneumoniae )
Group B streptococcus(GBS), S.agalactiae and beta-hemolytic group C streptococcus on blood agar. Beta-hemolytic streptococci growing on blood agar. Growth of beta-hemolytic streptococci on agar. Streptococcus in Petri dish.
Management of Group A Beta-Hemolytic Streptococcal Pharyngitis | AAFP
Frontiers | The cyl Genes Reveal the Biosynthetic and Evolutionary Origins of the Group B Streptococcus Hemolytic Lipid, Granadaene
Beta hemolysis on blood agar; beta-hemolytic colonies of Group A streptococcus (Streptococcus pyogenes), beta and gamma hemolytic colonies on blood agar
Group A Streptococcal (GAS) Infections: Background, Pathophysiology, Etiology
Group A Beta-Hemolytic Strep (S. pyogenes) - Microbiology Boot Camp - YouTube