Risk for Infection with Highly Pathogenic Influenza A Virus (H5N1) in Chickens, Hong Kong, 2002
Nina Y. Kung*†1 , Roger S. Morris*, Nigel R. Perkins*, Les D. Sims‡, Trevor M. Ellis‡, Lucy Bissett‡, Mary Chow‡, Ken F. Shortridge‡, Yi Guan‡, and Malik J.S. Peiris‡
Author affiliations: *Massey University, Palmerston North, New Zealand; †University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People’s Republic of China; ‡Department of Agriculture, Fisheries and Conservation, Kowloon, Hong Kong Special Administrative Region, People’s Republic of China;
Figure. Map of Hong Kong showing the locations of the 22 infected farms (16 case-control study and 6 nonparticipant farms), 46 control farms, and 78 other unaffected farms active during the 2002 outbreak of highly pathogenic avian influenza A virus (subtype H5N1).
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