Influenza Virus Evolution, Host Adaptation, and Pandemic Formation

被引:640
作者
Taubenberger, Jeffery K. [1 ]
Kash, John C. [1 ]
机构
[1] NIAID, Viral Pathogenesis & Evolut Sect, Infect Dis Lab, NIH, Bethesda, MD 20892 USA
关键词
TO-HUMAN TRANSMISSION; H5N1; INFLUENZA; A VIRUS; SWINE INFLUENZA; ENHANCED VIRULENCE; NS1; PROTEIN; AVIAN-LIKE; HEMAGGLUTININ; ORIGIN; POLYMERASE;
D O I
10.1016/j.chom.2010.05.009
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Newly emerging or "re-emerging" viral diseases continue to pose significant global public health threats. Prototypic are influenza viruses that are major causes of human respiratory infections and mortality. Influenza viruses can cause zoonotic infections and adapt to humans, leading to sustained transmission and emergence of novel viruses. Mechanisms by which viruses evolve in one host, cause zoonotic infection, and adapt to a new host species remain unelucidated. Here, we review the evolution of influenza A viruses in their reservoir hosts and discuss genetic changes associated with introduction of novel viruses into humans, leading to pandemics and the establishment of seasonal viruses.
引用
收藏
页码:440 / 451
页数:12
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