Vet Med - Czech, 2008, 53(5):236-242 | DOI: 10.17221/1949-VETMED

Comparative inactivation of Aujeszky's disease virus, Porcine teschovirus and Vesicular stomatitis I by chemical disinfectants

H. Dvorakova, J. Prodelalova, M. Reichelova
Veterinary Research Institute, Brno, Czech Republic

We tested the germicide activity of 1% Chloramin BM, 1% Incidin Plus, 1% Lysoformin 3000, 0.2% Mikasept KP, and 2% Sekusept Forte against viruses in suspension (suspension test) and dried onto a surface (carrier test). The agents of the porcine encephalomyelitis (Porcine teschovirus, strains CAPM V-86, CAPM V-37), Aujeszky's disease (strains CAPM V-166, CAPM V-327) and vesicular stomatitis (strains CAPM V-499, CAPM V-331) were used as model viruses. After 30 min contact time in both the suspension and carrier tests, the Porcine teschovirus was 4 lg inactivated only by Mikasept, which was thus the only disinfectant to meet the standard. The other disinfectants decreased the viral titre insufficiently. Under the same conditions, Aujeszky's disease virus was inactivated by at least 4 lg by all the tested disinfectants except for Chloramin BM which decreased the titre of CAPM V-166 only by 3.75 lg in the carrier test. For the inactivation of Vesicular stomatitis virus Chloramin BM and Mikasept KP were tested. Both the disinfectants reliably decreased the viral titre in both the suspension and carrier tests. Our results show that the inactivation of a surface-bound virus is more difficult than its inactivation in suspension. We confirm the high resistance of non-enveloped viruses (Porcine teschovirus) to chemical inactivation.

Keywords: virucidal activity; suspension test; carrier test

Published: May 31, 2008  Show citation

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Dvorakova H, Prodelalova J, Reichelova M. Comparative inactivation of Aujeszky's disease virus, Porcine teschovirus and Vesicular stomatitis I by chemical disinfectants. Vet Med - Czech. 2008;53(5):236-242. doi: 10.17221/1949-VETMED.
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