Gram-Positive Cocci: Staphylococcus and Streptococcus
Summary :Gram-positive cocci: Staphylococcus and Streptococcus species. Morphology, virulence factors (protein A, toxins, enzymes), biochemical characteristics, hemolysis patterns, pathogenic mechanisms. Clinical manifestations: food poisoning, toxic shock, pneumonia, rheumatic fever, endocarditis.