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Streptococcal culture on a Petri dish

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Streptococcal culture on a Petri dish

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04.05.2012 • Sonuncu dəyişiklik 27.04.2011
IlkkaKunnamo

Culture on a Petri dish is the most sensitive method to detect haemolytic streptococci in a throat sample. Group A haemolytic streptococci leave a zone of inhibited growth around a bacitracin disk (upper picture), while other haemolytic streptococci (usually group C or G) do not leave such a zone (lower picture).

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