Prevalence of streptococcal pharyngitis in Marrakech

Pharyngitis is the most frequent clinical manifestation of streptococcal infections. Its clinical diagnosis is not evident. Biological examinations are of little help to the clinical diagnosis confirmation, whereas throat culture confirm the diagnosis in most cases. Throat culture have been used to study the prevalence of beta hemolytic streptococci wihin 800 pharyngitis. The beta hemolytic streptococci have been found within 197 patients, [24.7%]. The streptococci of group A. have been found within 82 cases [10.3%]. The streptococci of groups B, C, G and F have been isolated within 115 patients [14.4%]. This study has shown that the majority of pharyngitis have not a streptococcal etiology