Bacterial contamination of computer touch screens

Charles P. Gerba, Adam L. Wuollet, Peter Raisanen, Gerardo U. Lopez

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


The goal of this study was to determine the occurrence of opportunistic bacterial pathogens on the surfaces of computer touch screens used in hospitals and grocery stores. Opportunistic pathogenic bacteria were isolated on touch screens in hospitals; Clostridium difficile and vancomycin-resistant Enterococcus and in grocery stores; methicillin-resistant Staphylococcus aureus. Enteric bacteria were more common on grocery store touch screens than on hospital computer touch screens.

Original languageEnglish (US)
Pages (from-to)358-360
Number of pages3
JournalAmerican Journal of Infection Control
Issue number3
StatePublished - Mar 1 2016


  • Clostridium difficile
  • Coliforms
  • Computer touch screen
  • Methicillin-resistant Staphylococcus aureus
  • Vancomycin-resistant enterococcus

ASJC Scopus subject areas

  • Epidemiology
  • Health Policy
  • Public Health, Environmental and Occupational Health
  • Infectious Diseases


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