Impact of the use of an alcohol-based hand sanitizer in the home on reduction in probability of infection by respiratory and enteric viruses

Akrum H Tamimi, S. Maxwell, S. L. Edmonds, Charles P Gerba

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

The goal of this study was to determine the reduction in risk of infection by viruses with the use of an alcohol-based hand sanitizer, used in addition to routine hand washing, in family members in households. A quantitative microbial risk model was used to determine the probability of infection from the concentration of virus on the hands. The model incorporated variation in hand size, frequency of touching orifices (nose, mouth, eyes), and percent transfer to the site of infection, as well as, dose-response for each virus. Data on the occurrence of virus on household members' hands from an intervention study using MS-2 coliphage was used to determine the reduction of viruses on the hands pre- and post-intervention. It was found that the risk of rhinovirus, rotavirus or norovirus infection after the intervention was reduced by 47-98% depending upon the initial concentration of virus on the hands.

Original languageEnglish (US)
Pages (from-to)3335-3341
Number of pages7
JournalEpidemiology and Infection
Volume143
Issue number15
DOIs
StatePublished - Nov 1 2015

Keywords

  • Hand hygiene
  • risk assessment
  • virus infection

ASJC Scopus subject areas

  • Infectious Diseases
  • Epidemiology
  • Medicine(all)

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