期刊
VETERINARY RESEARCH
卷 41, 期 5, 页码 -出版社
EDP SCIENCES S A
DOI: 10.1051/vetres/2010038
关键词
highly pathogenic avian influenza virus; mouse; transmission; H7; H5
资金
- Italian Ministry of Health
- EU [CT 044220]
Highly pathogenic avian influenza (HPAI) viruses of the H5 and H7 subtype pose a major public health threat due to their capacity to cross the species barrier and infect mammals, for example dogs, cats and humans. In the present study we tested the capacity of selected H7 and H5 HPAI viruses to infect and to be transmitted from infected BALB/c mice to contact sentinels. Previous experiments have shown that viruses belonging to both H5 and H7 subtypes replicate in the respiratory tract and central nervous system of experimentally infected mice. In this study we show that selected H7N1 and H5N1 HPAI viruses can be transmitted from mouse-to-mouse by direct contact, and that in experimentally infected animals they exhibit a different pattern of replication and transmission. Our results can be considered as a starting point for transmission experiments involving other influenza A viruses with alpha 2-3 receptor affinity in order to better understand the viral factors influencing transmissibility of these viruses in selected mammalian species.
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