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Antibiotic susceptibility of Streptococcus pyogenes and Staphylococcus aureus isolated from Pharyngitis and Tonsillitis patients in Nasiriyah City, Iraq

Author : Baidaa Rasoul Dakhil and Saad Salman Hamim

The present study aimed to isolation and identification and antibiotic susceptibility test for Streptococcus pyogenes and Staphylococcus aureus bacteria isolated from Pharyngitis and Tonsillitis patients. 276 swabs were collected from the patients aged from <10 to70 years in Nasiriyah City during the period from November 2014 to May 2015. 96 isolates showed positive culture for both Strep. pyogenes and Staph. aureus, divided to 34(35.42%) and 62(64.58%) for Strep. pyogenes and Staph. aureus, respectively. All Strep. pyogenes isolates were sensitive to both Vancomycin and Ceftrtiaxon. While, completely resistance to Ampicillin and Amikacin. On the other hand, sensitivity of Staph. aureus isolates were 100% to both Clindamycin and Amikacin. While, resistance to Ampicillin and Augmentin (Amoxicillin/Clavulanic acid) with a percentages (100%) for both.


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