Difference between revisions of "Nipah Virus"
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| − | Also known as '''''Porcine Respiratory and Neurological syndrome | + | Also known as '''''Porcine Respiratory and Neurological syndrome - Barking Pig syndrome''''' |
== Introduction == | == Introduction == | ||
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Nipah virus effects pigs and has caused death in pigs and over two hundred humans, therefore making it a '''zoonotic''' disease. The disease is transmitted from excrement, semen, urine or saliva of bats and it is thought that virus shedding from the bats increases in times of stress, such as destruction of their habitat or illness. Pigs are infected with the disease causing a severe respiratory and neurological signs in these animals. In pigs, the disease is transmitted by aerosol from coughing. Humans can contract the disease from direct contact with pigs and thus most people that have died from the disease are farmers, abattoir workers or veterinarians. More unneccessary deaths occurred in humans when infected pigs were shot (as authorities thought the disease was spread by insects) and humans were exposed to pig blood. | Nipah virus effects pigs and has caused death in pigs and over two hundred humans, therefore making it a '''zoonotic''' disease. The disease is transmitted from excrement, semen, urine or saliva of bats and it is thought that virus shedding from the bats increases in times of stress, such as destruction of their habitat or illness. Pigs are infected with the disease causing a severe respiratory and neurological signs in these animals. In pigs, the disease is transmitted by aerosol from coughing. Humans can contract the disease from direct contact with pigs and thus most people that have died from the disease are farmers, abattoir workers or veterinarians. More unneccessary deaths occurred in humans when infected pigs were shot (as authorities thought the disease was spread by insects) and humans were exposed to pig blood. | ||
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== Clinical Signs == | == Clinical Signs == | ||
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Bridger, J and Russell, P (2007) '''Virology Study Guide''', ''Royal Veterinary College'' | Bridger, J and Russell, P (2007) '''Virology Study Guide''', ''Royal Veterinary College'' | ||
| − | Reynes J.M., Counor D., Ong S., Faure C., Seng V., Molia S., Walston J., Georges-Courbot M.C., Deubel V., Sarthou J.L. (2005). | + | Reynes J.M., Counor D., Ong S., Faure C., Seng V., Molia S., Walston J., Georges-Courbot M.C., Deubel V., Sarthou J.L. (2005). Nipah Virus in Lyle's Flying Foxes, Cambodia; Emerging infectious diseases, 11 (7) : 1042-1047. |
Straw, B.E. and Taylor, D.J. (2006) '''Disease of Swine''' ''Wiley-Blackwell'' | Straw, B.E. and Taylor, D.J. (2006) '''Disease of Swine''' ''Wiley-Blackwell'' | ||
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[[Category:Morbilliviruses]] [[Category:Pig_Viruses]] [[Category:Respiratory Diseases - Pig]][[Category:Neurological Diseases - Pig]][[Category:Zoonoses]] [[Category:Expert_Review - Farm Animal]] | [[Category:Morbilliviruses]] [[Category:Pig_Viruses]] [[Category:Respiratory Diseases - Pig]][[Category:Neurological Diseases - Pig]][[Category:Zoonoses]] [[Category:Expert_Review - Farm Animal]] | ||
Revision as of 10:45, 28 March 2011
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This article has been peer reviewed but is awaiting expert review. If you would like to help with this, please see more information about expert reviewing. |
Also known as Porcine Respiratory and Neurological syndrome - Barking Pig syndrome
Introduction
Nipah virus is of the family Paramyxoviridae. It is a recently emerged disease and has only been present since 1999.
The origins of Nipah virus is unknown, but the reservoir host is thought to be fruit bats. The disease has been seen only in South East Asia currently and it is named after the Malaysian village where it was first noted.
Nipah virus effects pigs and has caused death in pigs and over two hundred humans, therefore making it a zoonotic disease. The disease is transmitted from excrement, semen, urine or saliva of bats and it is thought that virus shedding from the bats increases in times of stress, such as destruction of their habitat or illness. Pigs are infected with the disease causing a severe respiratory and neurological signs in these animals. In pigs, the disease is transmitted by aerosol from coughing. Humans can contract the disease from direct contact with pigs and thus most people that have died from the disease are farmers, abattoir workers or veterinarians. More unneccessary deaths occurred in humans when infected pigs were shot (as authorities thought the disease was spread by insects) and humans were exposed to pig blood.
Clinical Signs
Signs are mainly respiratory in pigs and include coughing, increased respiratory rate, dyspnoea and weakness. In humans the disease is similar in some respects to influenza, with muscle pain and fever. Encephalitis may also occur.
Diagnosis
Diagnosis can be achieved by serology, histopathology, PCR and virus isolation.
Control
It is important to establish surveillance systems for detection of the disease.
A vaccine is being developed for pigs, which may also have some value in humans too.
References
Bridger, J and Russell, P (2007) Virology Study Guide, Royal Veterinary College
Reynes J.M., Counor D., Ong S., Faure C., Seng V., Molia S., Walston J., Georges-Courbot M.C., Deubel V., Sarthou J.L. (2005). Nipah Virus in Lyle's Flying Foxes, Cambodia; Emerging infectious diseases, 11 (7) : 1042-1047.
Straw, B.E. and Taylor, D.J. (2006) Disease of Swine Wiley-Blackwell