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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 1

Design model for an interspecies study of influenza A(H7N9) virus transmission. Birds were housed in a cage-within-a-cage setup with a 30 cm × 41 cm × 41 cm finch cage placed within a 97 cm × 58 cm × 53 cm poultry cage. A) Waterborne transmission was examined by sliding a 15 cm × 25 cm pan containing ≈1 L water halfway into a notched hole in the finch cage. All birds had shared access to the water, but poultry and finches were excluded from physical contact with each other. B) Airborne transmiss

Figure 1. Design model for an interspecies study of influenza A(H7N9) virus transmission. Birds were housed in a cage-within-a-cage setup with a 30 cm × 41 cm × 41 cm finch cage placed within a 97 cm × 58 cm × 53 cm poultry cage. A) Waterborne transmission was examined by sliding a 15 cm × 25 cm pan containing ≈1 L water halfway into a notched hole in the finch cage. All birds had shared access to the water, but poultry and finches were excluded from physical contact with each other. B) Airborne transmission was examined by inserting an air-permeable cage barrier (represented by double-dashed line) between the poultry and the finch cage and providing separate water supplies so that poultry and finches had no direct physical contact and did not share food or water resources.

Main Article

Page created: March 17, 2015
Page updated: March 17, 2015
Page reviewed: March 17, 2015
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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