?:definition
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Molecular assay reagents intended to identify species of Streptococcus, a genus of spherical bacteria of the family Streptococcaceae, by detecting specific nucleic-acid information of the target bacteria. Streptococci tend to grow in pairs or chains and are divided into serogenic types according to their cell wall (e.g., groups A, B, C). Streptococci that are pathologic to humans include S. pneumoniae, a major respiratory tract pathogen and the most common cause of pneumonia, and S. pyogenes, which one of the most important bacterial human pathogens and causes a wide range of suppurative diseases (e.g., pharyngitis, otitis media, sinusitis, endocarditis) and nonsuppurative sequelae (e.g., acute rheumatic fever).
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