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Lett Appl Microbiol. 2010 Aug;51(2):158-63. doi: 10.1111/j.1472-765X.2010.02871.x. Epub 2010 May 14.

Virucidal efficacy of povidone-iodine-containing disinfectants.

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1
Institute of Virology and Antiviral Therapy, Jena University Hospital, Jena, Germany. Andreas.Sauerbrei@med.uni-jena.de

Abstract

AIMS:

The objective of this study was to evaluate virucidal efficacy of the commercially available povidone-iodine formulations Betaisodona solution and Betaseptic Mundipharma (Mundipharma).

METHODS AND RESULTS:

The quantitative suspension test for virucidal testing of biocides according to the German guideline was used as method. The use of Betaisodona solution resulted in virucidal efficacy, corresponding to >or=10(4)-fold reduction in viral titre, against vaccinia virus, bovine viral diarrhoea virus and polyomavirus SV40 within 0.5 min and adenovirus type 5 within 3-5 min without and with organic load. For inactivation of the most resistant poliovirus type 1, a time interval of >or=60 min was needed. By contrast, Betaseptic Mundipharma inactivated significantly all model viruses for virucidal testing including poliovirus type 1 within 5 min independently from the addition of proteins.

CONCLUSIONS:

Betaisodona solution shows a good efficacy against enveloped model viruses as well as against some nonenveloped human viruses, e.g. adenovirus and polyomavirus. Betaseptic Mundipharma has an excellent virucidal efficacy including the inactivation of the most resistent poliovirus type 1.

SIGNIFICANCE AND IMPACT OF THE STUDY:

The findings of this study make Betaseptic Mundipharma suitable for virucidal disinfection of the skin within short time intervals.

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