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Virucidal activity of alcohol-based hand rub disinfectants.
MedLine Citation:
PMID:  22451431     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
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.
Authors:
Atsuo Iwasawa; Yoshimi Niwano; Masahiro Kohno; Masahiko Ayaki
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biocontrol science     Volume:  17     ISSN:  1342-4815     ISO Abbreviation:  Biocontrol Sci     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-03-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9712121     Medline TA:  Biocontrol Sci     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  45-9     Citation Subset:  IM    
Affiliation:
Department of Bioengineering, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology.
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