Table 1

Influenza A(H7N9) Virus Transmission between Finches and Poultry

Jeremy C. Jones, Stephanie Sonnberg, Richard Webby, and Robert G. Webster

Author affiliations: St. Jude Children’s Research Hospital, Memphis, Tennessee, USA

Virus isolation from organs of dead birds in an interspecies study of influenza A(H7N9) virus transmission*

Bird species	Time of death, dpi	Influenza virus exposure	Transmission		Virus titer, log₁₀ EID₅₀/mL†
Bird species	Time of death, dpi	Influenza virus exposure	Route	Direction	Trachea and/or lung	Intestine
Naive contact
Finch	4	A/Anhui/1/2013 (H7N9)	Airborne	Chicken → Finch	0	0
Finch	5	A/Anhui/1/2013 (H7N9)	Waterborne	Chicken → Finch	4.3 (combined)	0
Finch	5	A/chicken/Rizhao/867/2013 (H7N9)	Waterborne	Chicken → Finch	6.5 (combined)	0
Quail	15	A/Anhui/1/2013 (H7N9)	Waterborne	Finch → Quail	4.7 (trachea); 5.5 (lung)	ND
Quail	15	A/Anhui/1/2013 (H7N9)	Waterborne	Finch → Quail	7.3 (trachea); 8.3 (lung)	ND
Quail	10	A/chicken/Rizhao/867/2013 (H7N9)	Waterborne	Finch → Quail	6.5 (trachea); 7.5 (lung)	ND
Inoculated
Finch	6	A/Anhui/1/2013 (H7N9)	Waterborne	Finch → Chicken	4.5 (combined)	0
Finch	2	A/Anhui/1/2013 (H7N9)	Waterborne	Finch → Quail	2.5 (trachea); 2.3 (lung)	ND
Quail	15	A/Anhui/1/2013 (H7N9)	Airborne	Quail → Finch	3.3 (trachea); 4.5 (lung)	ND

*dpi, days postinfection; EID₅₀, 50% egg infectious dose; ND, not determined.
†Assessed in embryonated chicken eggs.

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.