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Sponsored by: Diasorin S.p.A. Streptococcus pyogenes or Group A Streptococcus (GAS ... Laboratory guidelines mandate that a more sensitive confirmatory test is performed on negative rapid antigen ...
pyogenes pharyngitis, one for culture and one for an OSOM Ultra Strep A Test rapid antigen test. Of 887 throat cultures, 210 (23.7%) met the gold standard for diagnosis of Strep pharyngitis ...