Virucidal activity of alcohol-based hand rub disinfectants

Atsuo Iwasawa, Yoshimi Niwano, Masahiro Kohno, Masahiko Ayaki

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We investigated the virucidal activity of commercially available alcohol-based hand rub products against coxsackievirus A7, B5, feline calicivirus F9, and human adenovirus type 3, type 7, type 8 using susceptible cell lines, Vero cells, CRFK cells, and A549 cells. Fifteen tested hand rub products were ethanol (EtOH) for disinfection (Japanese Pharmacopoeia Grade), two EtOH-based products, one povidone iode-containing product, one alkyldiaminoethylglycine hydrochloride-containing product, six benzalkonium chloride (BAK)-containing products, and four chlorohexidine gluconate (CHG)-containing products. Some active ingredients (BAK, benzetonium chloride, and CHG) were diluted with EtOH to make 0.5% and 0.2% solutions. Virus inactivation rates were calculated after contact with each hand rub product for 10 or 60 seconds. Of the hand rub products tested, only the povidone iode-based product showed antiviral activity superior to that of EtOH against all the strains. EtOH solutions of active ingredients (0.2% and 0.5%) also showed decreased antiviral activity. In conclusion, antiviral activity of all the commercially available alcohol-based hand rub products except that containing povidone idode was dependent on their active ingredients. The povidone idode-containing hand rub product kept its effectiveness even after the dilution with EtOH. Although alcohol-based hand rub products are convenient and suitable for the control of some microbes, they are not generally recommended for the control of viral infections.

Original languageEnglish
Pages (from-to)45-49
Number of pages5
JournalBiocontrol Science
Volume17
Issue number1
DOIs
Publication statusPublished - 2012

Keywords

  • Alcohol based hand rub
  • Coxsackie virus
  • Feline calicivirus
  • Human adenovirus
  • Virucidal activity

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Public Health, Environmental and Occupational Health

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