[Pharyngotonsillitis caused by Streptococcus pyogenes: clinical and epidemiological aspects and resistance phenotypes towards macrolides]
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During 2001 we analyzed 1730 pharyngeal swabs for S. pyogenes (SGA): 1142 children (0-10 years old), 132 adolescent subjects (11-17 years old), and 456 adults (18 or more years old). 994 subjects (664 children, 85 adolescent ones, 245 adults) had acute pharyng... ...
