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. 2009 Mar 15;199(6):858–865. doi: 10.1086/597073

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© 2009 by the Infectious Diseases Society of America

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Transmission efficiency and recovery from aerosols of influenza A/Panama/2007/1999 (H3N2) virus (Pan99) and influenza A/Texas/36/1991 (H1N1) virus (Tx99). Short-range transmission experiments were conducted with 4 inoculated and 4 exposed guinea pigs, as described in Methods. A Recombinant Pan (rPan99) virus. B Tx/91 virus. C Nasal wash titers for 8 of 16 guinea pigs intranasally inoculated with Pan99 or Tx/91 influenza viruses. D Titers in air of Pan99 or Tx91 from aerosols generated by inoculated guinea pigs and sampled using a glass liquid impinger, as described in Methods. Data shown in panels C and D are compiled from 4 independent experiments; data in panel D are means ± SDs