Graduate University of Chinese Academy of Sciences, Beijing 100049, PR China.
State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, PR China.
J Gen Virol. 2014 Jul;95(Pt 7):1430-1435. doi: 10.1099/vir.0.063438-0. Epub 2014 Mar 26.
Water bodies are an important route for the spread and transmission of avian influenza virus (AIV). The determining factor for an AIV to transmit through diffusion in water is the term of viability of the virus in the water body. To better understand the perpetuation of AIV in natural water bodies, and thus the risks of AIV spread and transmission via such bodies, we systematically studied the inactivation dynamics of two AIV strains (H5N1 and H9N2) at different temperatures in water bodies of important migratory bird habitats within China (Dongting Lake, Poyang Lake, the Hubei segment of the Yangtze River and Qinghai Lake). We also studied the impact of water-borne micro-organisms on the perpetuation of AIV. Our findings indicated that water is very likely an important route for the epidemic spread of AIV, especially during the autumn and winter seasons. In addition, water-borne micro-organisms might antagonize the persistence of AIV.
水体是禽流感病毒（AIV）传播和扩散的重要途径。AIV 通过扩散在水中传播的决定因素是病毒在水体中的存活期。为了更好地了解 AIV 在自然水体中的持续存在，从而了解通过这些水体传播和扩散 AIV 的风险，我们系统地研究了在中国重要候鸟栖息地的水体中（洞庭湖、鄱阳湖、长江湖北段和青海湖）两种 AIV 株（H5N1 和 H9N2）在不同温度下的失活动力学。我们还研究了水传播微生物对 AIV 持续存在的影响。我们的研究结果表明，水很可能是 AIV 流行传播的重要途径，尤其是在秋季和冬季。此外，水传播微生物可能会拮抗 AIV 的持续存在。
