Microbial contamination from mobile phones of social groups at kufa technical institute and efficiency of two disinfections to its reduction

Fifty-one swab samples were collected from mobile phones randomly form the social group in Kufa Technical Institute, wet swabs samples were taken  from different sources  including (Lecturer, administration staff, restaurant workers, garden workers and students)  then the samples were cultured on selective and enrichment  culture media to isolate all the bacterial contaminated species and identified by gram stain and biochemical tests and confirmation were carried out by using vitek2.The results showed that all sample were contaminated with bacteria, ten different types of bacteria isolated include Staphylococcus aureus (49%), Staphylococcus epidermidis bacteria (12%) and Pseudomonas aeruginosa (11%). Staphylococcus haemolyticus Escherichia vulneris (6%), Escherichia coli, Klebsiella pneumoniae and Bacillus sp with (4%), while the lowest percentage of presence was due to bacteria Pantoea spp and Cronobacter sakazakii group (2%). Also the results showed that the percentage of bacteria present on mobile phone by the student group is the highest in (41.18%) while the lowest for lecturer (4%). we also noted a decrease in microbial growth using disinfectants, the first disinfectant showed high level of  inhibitory effect compared to the second disinfectant, while  control disinfectant (70% ethanol alcohol) did not show any effect against all tested bacteria.