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Volume 21, Number 4—April 2015
Research

Influenza A(H7N9) Virus Transmission between Finches and Poultry

Jeremy C. Jones, Stephanie Sonnberg, Richard Webby, and Robert G. WebsterComments to Author 
Author affiliations: St. Jude Children’s Research Hospital, Memphis, Tennessee, USA

Main Article

Figure 4

Airborne transmission of virus between birds in an interspecies study of influenza A(H7N9) virus transmission. Finches (n = 2 or 3) and chickens or quail (n = 3) were inoculated with influenza virus strain A/Anhui/1/2013 (H7N9) and paired with naive birds in an environment in which physical contact was prevented but by an air-permeable barrier and food/water resources were not shared (Figure 1, panel B). Swab samples were obtained from birds every 48 h, and virus titers were determined in embryo

Figure 4. Airborne transmission of virus between birds in an interspecies study of influenza A(H7N9) virus transmission. Finches (n = 2 or 3) and chickens or quail (n = 3) were inoculated with influenza virus strain A/Anhui/1/2013 (H7N9) and paired with naive birds in an environment in which physical contact was prevented but by an air-permeable barrier and food/water resources were not shared (Figure 1, panel B). Swab samples were obtained from birds every 48 h, and virus titers were determined in embryonated chicken eggs. Data are the average titer per time point ± SD. Directionality of transmission (i.e., infected→naive) is indicated in the top left of each panel. Red indicates infected animals; blue indicates naive animals. EID50, 50% egg infectious dose; Fn, finch; QI, quail; OP, oropharyngeal swab sample; CL cloacal swab sample.

Main Article

Page created: March 17, 2015
Page updated: March 17, 2015
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The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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