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Hendra and Nipah Viruses: Pathogenesis and Therapeutics

[ Vol. 5 , Issue. 8 ]


Bryan T. Eaton, Christopher C. Broder and Lin-Fa Wang   Pages 805 - 816 ( 12 )


Within the past decade a number of new zoonotic paramyxoviruses emerged from flying foxes to cause serious disease outbreaks in man and livestock. Hendra virus was the cause of fatal infections of horses and man in Australia in 1994, 1999 and 2004. Nipah virus caused encephalitis in humans both in Malaysia in 1998/99, following silent spread of the virus in the pig population, and in Bangladesh from 2001 to 2004 probably as a result of direct bat to human transmission and spread within the human population. Hendra and Nipah viruses are highly pathogenic in humans with case fatality rates of 40% to 70%. Their genetic constitution, virulence and wide host range make them unique paramyxoviruses and they have been given Biosecurity Level 4 status in a new genus Henipavirus within the family Paramyxoviridae. Recent studies on the virulence, host range and cell tropisms of henipaviruses provide insights into the unique biological properties of these emerging human pathogens and suggest approaches for vaccine development and therapeutic countermeasures.


Paramyxoviridae, hemagglutinin, –, neuraminidase (HN) protein, Eph receptors, anti-IFN activities, 6-helix bundle, virus-like particles


Australian Animal HealthLaboratory, CSIRO, 5 Portarlington Road, Geelong, Victoria 3220,Australia.

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