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Survival of influenza virus on human fingers

Thomas, Y
Boquete-Suter, P
Koch, D
Published in Clinical Microbiology and Infection. 2014, vol. 20, no. 1, p. O58-64
Abstract Indirect transmission of the influenza virus via finger contamination with respiratory mucus droplets has been hypothesized to contribute to transmission in the community. Under laboratory conditions, influenza-infected respiratory droplets were reconstituted as close as possible to natural conditions. We investigated experimentally the survival of influenza A (H3N2) and A (H1N1)pdm09 viruses on human fingers. Infectious virus was easily recoverable on all fingers 1 min after fingertip contamination but then decreased very rapidly. After 30 min, infectious virus was detectable in only a small minority of subjects. Infectious viruses were detected for a longer period of time when droplets of larger size containing a higher number of particles were tested or when the viral concentration increased. A rapid decrease in infectiousness was observed when droplet integrity was disrupted. Our findings could help to set up the promotion of hand hygiene to prevent influenza hand contamination.
PMID: 23927722
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THOMAS, Y et al. Survival of influenza virus on human fingers. In: Clinical Microbiology and Infection, 2014, vol. 20, n° 1, p. O58-64. https://archive-ouverte.unige.ch/unige:37242

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Deposited on : 2014-06-10

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