Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6141606 | Virology | 2010 | 5 Pages |
Abstract
Replication of avian influenza viruses (AIVs) in dogs may facilitate their adaptation in humans; however, the data to date on H5N1 influenza virus infection in dogs are conflicting. To elucidate the susceptibility of dogs to this pathogen, we infected two groups of 6 beagles with 106 50% egg-infectious dose of H5N1 AIV A/bar-headed goose/Qinghai/3/05 (BHG/QH/3/05) intranasally (i.n.) and intratracheally (i.t.), respectively. The dogs showed disease symptoms, including anorexia, fever, conjunctivitis, labored breathing and cough, and one i.t. inoculated animal died on day 4 post-infection. Virus shedding was detected from all 6 animals inoculated i.n. and one inoculated i.t. Virus replication was detected in all animals that were euthanized on day 3 or day 5 post-infection and in the animal that died on day 4 post-infection. Our results demonstrate that dogs are highly susceptible to H5N1 AIV and may serve as an intermediate host to transfer this virus to humans.
Keywords
Related Topics
Life Sciences
Immunology and Microbiology
Virology
Authors
Ying Chen, Gongxun Zhong, Guojun Wang, Guohua Deng, Yanbing Li, Jianzhong Shi, Zhuo Zhang, Yuntao Guan, Yongping Jiang, Zhigao Bu, Yoshihiro Kawaoka, Hualan Chen,