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==Transmission and Epidemiology==
 
==Transmission and Epidemiology==
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===Vectors===
 
Vector species of Culicoides biting midge tend to breed in damp or wet soil
 
Vector species of Culicoides biting midge tend to breed in damp or wet soil
 
enriched with fresh or composted dung and blood-feed opportunistically on large
 
enriched with fresh or composted dung and blood-feed opportunistically on large
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list, species distribution, seasonal incidence and vector competency of the various
 
list, species distribution, seasonal incidence and vector competency of the various
 
species.
 
species.
Vector competency
+
 
 +
===Vector Competency===
 
3.9 The C. obsoletus group has long been suspected of being a vector, mainly on
 
3.9 The C. obsoletus group has long been suspected of being a vector, mainly on
 
the basis of BTV isolations from this species made in Cyprus, and African horse
 
the basis of BTV isolations from this species made in Cyprus, and African horse
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6.
 
6.
 
Version 1.5; 21 November 2002
 
Version 1.5; 21 November 2002
Potential impact of global warming
+
 
 +
===Epidemiology===
 +
 
 +
===Impact of Global Warming===
 
3.13 Vector competence of Culicoides vectors for Orbiviruses is partly influenced by
 
3.13 Vector competence of Culicoides vectors for Orbiviruses is partly influenced by
 
temperature. Orbivirus development in Culicoides vectors is unable to occur at
 
temperature. Orbivirus development in Culicoides vectors is unable to occur at
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establishment of a BTV infection under present climatic conditions and with global
 
establishment of a BTV infection under present climatic conditions and with global
 
warming.
 
warming.
Technical Review - Bluetongue: The Virus, Hosts and Vectors
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8.
      
==Pathogenesis==
 
==Pathogenesis==
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