Beate Crossley , Sharon Hietala, Tania Hunt, Glenn Benjamin, Marie Martinez, Daniel Darnell, Adam Rubrum, and Richard Webby
Author affiliations: California Animal Health and Food Safety Laboratory, University of California, Davis, California, USA (B. Crossley, S. Hietala); Safari West, Santa Rosa, California, USA (T. Hunt, G. Benjamin, M. Martinez); St. Jude Children’s Research Hospital, Memphis, Tennessee, USA (D. Darnell, A. Rubrum, R. Webby)
Figure. Virus concentration (50% tissue culture infectious dose) in nasal secretions of 3 groups of ferrets (5 animals/group) experimentally infected with different strains of pandemic (H1N1) 2009. In all 3 groups, viral shedding was detected on days 3 and 5, with the virus being cleared by day 7. NW, nasal wash.
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