Microbial contamination of mobile phones in a teritary care hospital

A. Anupriya, K. Puhalenthi, Jeya Keerthi S., Prethi R., Hemasri V.


Background: Mobile phones could act as a reservoir of infection which may facilitate patient to patient transmission of microorganisms in hospital settings. Objectives of the study were to screen the mobile phones of health-care workers versus non health care workers for microbial contamination with special reference to methicillin-resistant Staphylococcus aureus (MRSA) and extended-spectrum beta lactamases (ESBL).

Methods: This is a cross-sectional prospective study conducted in a tertiary care hospital among 110 swab samples collected from the mobile phones of health care workers versus non health care workers. The study duration was 3 months.

Results: 87.3% and 56.4% of the mobile phones of health care workers versus non health care workers yielded growth. Two and more than two types of growth were predominant among both health care workers (56.4%) versus non health care workers (29.1%). Coagulase negative Staphylococcus was predominant followed by aerobic spore bearers and micrococci in the study group.

Conclusions: Health-care personnel should practice increased adherence to infection control precautions such as hand hygiene.


Healthcare workers, Nosocomial pathogens, Mobile phones

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Arora U, Devi P, Chadha A, Malhotra S. Cell phones a modern stay house for bacterial pathogens. J K Sci. 2009;11(3):127-9.

Tambe NN, Pai C. A study of microbial flora and MRSA harbored by mobile phones of health personnel. Int J Rec Trends Sci Technol. 2012;4(1):14-8.

Bures S, Fishbain JT, Uyehara CF, Parker JM, Berg BW. Computer keyboards and faucet handles as reservoirs of nosocomial pathogens in the intensive care unit. Am J Infect Control. 2000;28:465–71.

Ekrakene T, Igeleke CL. Micro-organisms associated with public mobile phones along Benin-sapele Express Way, Benin City, Edo State of Nigeria. J Appl Sci Res. 2007;3(12):2009–12.

Elkholy MT, Ewees IE. Mobile (cellular) phone contamination with nosocomial pathogens in intensive care units. Med J Cairo Unit. 2010;2:1-5.

Clinical and Laboratory Standards Institute (CLSI. Performance Standards for Antimicrobial Susceptibility. 2017. Available at: control/images/NCIPD_docs/CLSI_M100-S24.pdf. Accessed 12 November 2017.

Ulger F, Esen S, Dilek A, Yanik K, Gunaydin M, Leblebicioglu H. Are we aware how contaminated our mobile phones with nosocomial pathogens? Ann Clin Microbiol Aantimicrob. 2009;8(1):7.

Tambe NN, Pai C. A study of microbial flora and MRSA harboured by mobile phones of health care personnel. Int J Rec Tre Sci Tech. 2012;4:14-8.

Chawla K, Mukhopadhayay C, Gurung B, Bhate P, Bairy I. Bacterial “cell” phones: Do cell phones carry potential pathogens? Online J Health Allied Sci. 2009;8(1):8-10.

Bhumbla U, Ahmad SM, Mathur DR, Bandey L, Mathur G. Study on microbial contamination of mobile phones and their role in nosocomial infections in a tertiary hospital of south India. Asian J Pharm Clin Res. 2016;9(3):201-2.

Karabay O, Kocoglu E. The role of mobile phones in the spread of bacteria associated with nosocomial infections. J Infect Dev Ctries. 2007;1(1):72-3.

Killiac IH, Ozaslan M, Karagoz ID, Zer Y, Davatoglu V. The microbial contamination of mobile phones used by the healthcare staff. Pak J Biol Sci. 2009;12:882-4.

Lamb EJ. Staphylococcus epidermidis characteristics. eHow contributor; accessed on Dec. 2010. Available at: about_5459843_staphylococcusepidermidis-characteristics.html. Accessed on 12 November 2017.

Trivedi HR, Desai KJ, Trivedi LP, Malek SS, Javdekar TB. Role of mobile phone in spreading hospital acquired infection: a study in different group of health care workers. NJIRM. 2011;2(3):61–6.

Badr RI, Badr HI, Nabil MA. Mobile phones and nosocomial infections. Int J Infect Control. 2012;8(2):1-5.

Pal K, Chatterjee M, Sen P, Adhya S. Cell phones of health care professionals: A silent source of bacteria. Natl J Lab Med. 2015;4(4):33-8.

The best way to clean your cell phone-ultrasonic cleaning. Available at: http://www.articlesbase. com/health-articles/the-best-way-to-clean-yourcell-phone-ultrasonic-cleaning-1082298.html. Accessed 12 November 2017.

Jayalakshmi J, Appalaraju B, Usha S. Cellphones as reservoirs of nosocomial pathogens. J Assoc Phys India. 2008;56:388–9.

Neely AN, Sittig DF. Basic microbiologic and infection control information to reduce the potential transmission of pathogens to patients via computer hardware. J Am Med Inform Assoc. 2002;9:500–8.