Özet:

This study is conducted on patients infected with COVID19 Those who are hospitalized in intensive care units in Kirkuk General Hospital and Al-Shifa 14 Epidemiological Hospital in the city of Kirkuk, for the period from December 1, 2020 to March 1, 2021, for age groups (20-90 years) and of both sexes.  As 170 sputum samples are collected, in order to investigate secondary bacterial infections associated with the emerging corona virus, 119 samples are growth-positive (70%) and 51 are  growth-negative (30%).  During the laboratory diagnosis, 135 bacterial isolates are obtained from the positive samples, of which 102 single isolates are pure (75.55%), 17 are mixed isolates (12.5%). The number of isolates of Gram-positive bacteria 64 (47.4%) isolates, which included 42 of Staphylococcus.aureus with a percentage of 31.1%, 22 isolates of Streptococcus and  the included two sexes, 12 isolates of S.pneumoniae at a percentage of 8.8%, 10 of S.pyogenes and a percentage of 7.4%, as for the  The number of Gram-negative bacterial isolates is 71 (52.5%), which included 40 from Klebsiella, which are 37 (27.4%) from Klebsiella.pneumoniae, 3 (2.2%) from Klebsiella.oxytoca, 16 (11.8%) from Pseudomonas.aeroginosa.  , and 15 (11.1%) of Hemophilus.influenzae. The extent of resistance of some commonly used antibiotics against isolated bacterial species is evaluated, where the isolates varied in response to the antibiotics used in the current study.  And they are more sensitive to the antibiotic Imepenem by 100%, S. pyogenes are more resistant to antibiotics and by 100% to Amoxicillin\Clavulanic acid, Levofloxacin, Ceftriaxone, Tetracycline, Ampicillin, Oxacillin, Amikacin, Trimethromycinacin, Trimethromycin, and Etitracycline.  Sensitivity to Nitrofurantion and Gentamycin 100%. The results of the current study show that S.pneumoniae bacteria are resistant to many antibiotics of Ceftriaxon, Tetracyclin., Oxacillin, Nitrofurantion, Clindamycin by 100%, and the least resistance is 17% to Gentamycin.  As for Gram-negative bacteria, the results show that they are resistant to most of the antibiotics used in the current study.

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