Culture of Streptococcus pyogenes (group A streptococci) on blood agar. Streptococcus pyogenes can colonize the upper respiratory tract without signs

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Culture of Streptococcus pyogenes (group A streptococci) on blood agar. Streptococcus pyogenes can colonize the upper respiratory tract without signs of disease, but generally it is a pathogen of humans with a wide range of diseases. Most common is the inflammation of the pharynx but it can also cause life-threatening infections such as skin or soft-tissue infections.

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Keywords: -, agar, bacteria, bacterial, bacteriology, bacterium, beta, beta-haemolytic, biology, blood, close-, cocci, coccus, colonies, colony, culture, cultures, dish, fever, germs, gram-positive, group, haemolysis, igas, infection, invasive, laboratory, lancefield, macro, microbe, microbial, microbiological, microbiology, petri, pharyngeal, pharynx, scarlet, serotyping, streptococcal, streptococci, streptococcus