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Nipah virus (NiV) replication cycle As all mononegaviral genomes, Hendra virus and Nipah virus genomes are non-segmented, single-stranded negative-sense RNA. Both genomes are 18.2 kb in length and contain six genes corresponding to six structural proteins.
The Nipah virus has been classified by the Centers for Disease Control and Prevention as a Category C agent. [24] Nipah virus is one of several viruses identified by WHO as a potential cause of future epidemics in a new plan developed after the Ebola epidemic for urgent research and development toward new diagnostic tests, vaccines and medicines.
Hendra virus (Hendra henipavirus) is a zoonotic virus found solely in Australia. First isolated in 1994, the virus has since been connected to numerous outbreaks of disease in domestic horses and seven human cases.
Nipah virus outbreaks have been reported in Malaysia, Singapore, Bangladesh and India. The area is known as the Nipah Belt. The highest mortality due to Nipah virus infection was found in Bangladesh, [citation needed] where outbreaks are typically seen in winter. [24] Nipah virus was first seen in 1998 in
Both viruses are contagious, highly virulent, and capable of infecting a number of mammalian species and causing potentially fatal disease. Due to the lack of either a licensed human vaccine (a Hendra virus vaccine exists for horses) or antiviral therapies, Hendra virus and Nipah virus are designated as Biosafety level (BSL) 4 agents. The ...
Australian bat lyssavirus (ABLV), originally named Pteropid lyssavirus (PLV), is a enzootic virus closely related to the rabies virus.It was first identified in a 5-month-old juvenile black flying fox (Pteropus alecto) collected near Ballina in northern New South Wales, Australia, in January 1995 during a national surveillance program for the recently identified Hendra virus. [1]
When these virus are spread to humans through zoonotic events they have been found to be one of the most deadly viruses with the capability to infect humans, with mortality rates between 50 and 100%. Therefore, these viruses have been classified as a biosafety level four (BSL-4) virus with regards to its pathogenesis when it infects humans. [1]
The infection was found to be caused by a new agent named Nipah virus (NiV), taken from the investigation area name of Nipah River Village (Malay: Kampung Sungai Nipah), [6] where it was unknown in available scientific records at the time. [1] [7] The virus origin was determined to be from a native fruit bat species. [8]