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Survival of influenza virus on banknotes

Vogel, Guido
Suter, Patricia
Witschi, Mark
Koch, Daniel
Published in Applied and Environmental Microbiology. 2008, vol. 74, no. 10, p. 3002-7
Abstract Successful control of a viral disease requires knowledge of the different vectors that could promote its transmission among hosts. We assessed the survival of human influenza viruses on banknotes given that billions of these notes are exchanged daily worldwide. Banknotes were experimentally contaminated with representative influenza virus subtypes at various concentrations, and survival was tested after different time periods. Influenza A viruses tested by cell culture survived up to 3 days when they were inoculated at high concentrations. The same inoculum in the presence of respiratory mucus showed a striking increase in survival time (up to 17 days). Similarly, B/Hong Kong/335/2001 virus was still infectious after 1 day when it was mixed with respiratory mucus. When nasopharyngeal secretions of naturally infected children were used, influenza virus survived for at least 48 h in one-third of the cases. The unexpected stability of influenza virus in this nonbiological environment suggests that unusual environmental contamination should be considered in the setting of pandemic preparedness.
Keywords DesiccationEnvironmental MicrobiologyInfluenza A Virus, H1N1 Subtype/physiologyInfluenza A Virus, H3N2 Subtype/physiologyInfluenza B virus/physiologyMicrobial ViabilityMucus/virologyPaperTime FactorsVirus Cultivation
PMID: 18359825
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Research group Groupe Laurent Kaiser (virologie clinique) (668)
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THOMAS, Yves et al. Survival of influenza virus on banknotes. In: Applied and Environmental Microbiology, 2008, vol. 74, n° 10, p. 3002-7. doi: 10.1128/AEM.00076-08 https://archive-ouverte.unige.ch/unige:931

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Deposited on : 2009-02-25

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