The second semester of MTAP focuses on Family Streptococcaceae, Streptococci, Brown’s Classification, Lancefield Classification, Laboratory Tests, Gram Stain, Growth on BAP, Catalase Test, Bile Esculin Hydrolysis, PYRase, LAP Test, CAMP Reaction, Hippurate Hydrolysis, Bacitracin and Sulfamethoxazole - Trimethoprim Susceptibility Tests, Scarlet Fever, Streptococcus pneumoniae, Viridans Streptococci, Nutritionally Variant Streptococci (Abiotrophia spp.).