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==Introduction==
==Introduction==
Rift Valley Fever (RVF) is a viral zoonotic disease belonging to the family [[:Category:Bunyaviridae|''Bunyaviridae'']] in the ''Phlebovirus'' genus, possessing a segmented negative sense RNA genome. The disease has an episodic occurrence reemerging ever 5-25 years and is seasonal in its occurrence <ref> http://www.hpa.org.uk/web/HPAweb&Page&HPAwebAutoListName/Page/1274087829165 </ref> . The occurrence of non immune animal populations every 5-25years combined with the introduction of RVF (due to rainfall) accounts for the explosive cyclical nature of the disease <ref name="oie"> [http://www.oie.int/fileadmin/Home/eng/Animal_Health_in_the_World/docs/pdf/RIFT_VALLEY_FEVER_FINAL.pdf OIE Rift Valley Fever factsheet] accessed June 21, 2013</ref>. RVF primarily affects animals but can infect humans and has the capacity to cause severe disease in both.
Rift Valley Fever (RVF) is a viral zoonotic disease belonging to the family [[:Category:Bunyaviridae|''Bunyaviridae'']] in the ''Phlebovirus'' genus, possessing a segmented negative sense RNA genome. The disease has an episodic occurrence reemerging ever 5-25 years and is seasonal in its occurrence <ref>[http://www.hpa.org.uk/web/HPAweb&Page&HPAwebAutoListName/Page/1274087829165 Public Health England factsheet] accessed June 21, 2013</ref> . The occurrence of non immune animal populations every 5-25years combined with the introduction of RVF (due to rainfall) accounts for the explosive cyclical nature of the disease <ref name="oie"> [http://www.oie.int/fileadmin/Home/eng/Animal_Health_in_the_World/docs/pdf/RIFT_VALLEY_FEVER_FINAL.pdf OIE Rift Valley Fever factsheet] accessed June 21, 2013</ref>. RVF primarily affects animals but can infect humans and has the capacity to cause severe disease in both.
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RVF has a wide economic impact due to livestock loss and trade restrictions as well as public health implications. It is a notifiable disease.
RVF has a wide economic impact due to livestock loss and trade restrictions as well as public health implications. It is a notifiable disease.