Staphylococcus Sp.is the most common type of bacteria found in contamination place, we design this 
study to compare the contamination accident between two hospitals in Baghdad.One of them isthe Burns 
Specialist Hospital in the Medical CityinRusafa and another one is Al-Karama Hospital in Karkh. The 
samples were collected fromOperativeWard No1 (OW1), Operative Ward No2 (OW2), Consulting Pharmacy 
(CP), Emergency Room (ER), Reception Room (RR), Women's Ward (WW) and Men's Ward (MW).The 
samples were taken from inside each clinical unit, surfaces, food, and air. The results showed that the 
number of samples containing Staphylococcus sp. bacteria is 81, including 45 belonging to Al-Karama Burns 
Ward Hospital and 36 belonging to the Medical City Hospital, Burns Special Hospital. The results of 
Medical City Hospital showed that Staphylococcus sp.isolates resist many antibiotics, 99.99% of the isolates
from patient samples were resistant to(CLR, P, AMP); 92.30% of the isolates from air samples were resistant 
to(P, MET) and 85.71%of isolates from surfaces and food samples were resist for (AMP, MET). Also the 
results of Al-KaramaHospital showed that the highest resistance in the staphylococcus sp.isolateswere in 
patient samplesfor (AMP, SXT), in surface samples for (E), in food samples for (E,P) and in air samples for 
(P) and the resistance rates were 100% to all these antibiotics.
In this article four samples of HgBa2Ca2Cu2.4Ag0.6O8+δ were prepared and irradiated with different doses of gamma radiation 6, 8 and 10 Mrad. The effects of gamma irradiation on structure of HgBa2Ca2Cu2.4Ag0.6O8+δ samples were characterized using X-ray diffraction. It was concluded that there effect on structure by gamma irradiation. Scherrer, crystallization, and Williamson equations were applied based on the X-ray diffraction diagram and for all gamma doses, to calculate crystal size, strain, and degree of crystallinity. I
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