Abstract
Microbes are capable to survive on mobile phone surface and serve as a potential transporter of microorganism amongst handlers. Thus, the study focused on isolation and identification of bacteria from mobile phones of academic and non-academic staffs (including students and cleaners) of Hajee Mohammad Danesh Science and Technology University Dinajpur, Bangladesh. A total of 32 swab samples of mobile phones were collected. The bacteria isolates were identified on the basis of morphological, cultural and biochemical characterization. The total viable count (TVC) of different swab samples of mobile phones in different categories were ranged from 73×10-6 CFU/ml to 260×10-6 CFU/ml. Analysis revealed that, among the samples 21 (25.6%) isolates were Staphylococcus spp, 17 (20.7%) were Bacillus spp, 16 (19.5%) were Klebsiella spp, 15 (18%) were Pseudomonas spp and 13 (15.85%) were Salmonella spp. Additionally, antibiotic sensitivity test revealed the bacteria isolates were resistant to Penicillin, Amoxicillin, Cefaclor, Ofloxacin and Ciprofloxacin. The findings suggest that all the samples under observation were highly susceptible to a number of microbes belongs to the natural flora of human body. Hence, it is encouraged to avoid mobile phone handling while eating. Last but not the least, personal hygiene is highly recommended, as mobile phone can be a potential source of disease transmission.
 Asian J. Med. Biol. Res. September 2020, 6(3): 570-576
Highlights
A mobile or cellular phone is become an integral and indispensable part of daily life for communication
Mobile phones were decontaminated with 70% isopropyl alcohol and sampled swabs to determine the total viable plate count, serial 10-fold dilutions of samples were prepared in physiological saline, and 0.05 ml of aliquot was spread plated on plate count agar (PCA)
This study suggest that there are a variety of microbes on mobile phones belonging to five generaStaphylococcus spp, Bacillus spp, Klebsiella spp, Pseudomonas spp and Salmonella spp
Summary
A mobile or cellular phone is become an integral and indispensable part of daily life for communication. Mobile phone is considered as a potential source of infectious diseases due to frequent contact and handling (Kilic et al, 2009). The multitasking facilities of mobile phone results in ease of life with better communication (Adetona et al, 2011). Mobile phones become the potential channel for microbial transmission and health risk (Soto et al, 2006). The ecological findings directed towards the risk of communal infection those who are frequent users of mobile phone (Brady et al, 2006). It is well documented that mobile phone can be contaminated by a wide range of vehicles and results in mild to chronic infections. The microorganisms isolated so far from mobile phones are the
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