Effect of Interventions on Influenza A (H9N2) Isolation in Hong Kong’s Live Poultry Markets, 1999–2005
Eric H.Y. Lau*1, Y.H. Connie Leung*1, Li Juan Zhang*, Benjamin J. Cowling*, Sin Ping Mak†, Yi Guan*, Gabriel M. Leung* , and J. S. Malik Peiris*
Author affiliations: *The University of Hong Kong, Hong Kong Special Administrative Region, People’s Republic of China; †Government of the Hong Kong Special Administrative Region, People’s Republic of China;
Appendix Figure 1. A) Monthly imported chicken ratios (number of chickens imported to the total sales of chickens), January 1999-December 2005; B) monthly sales of chickens, January 1999-December 2005; C) monthly sales of minor poultry, January 1999-December 2005. *All minor poultry except pigeons were imported during the period of observation.
The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions 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.