Aussie Horse Virus

William C. Wilson WCWilson at UWYO.EDU
Wed Sep 28 09:58:12 EST 1994


I don't think it is uncommon for viruses to cross species barriers. 
 Alphaviruses such as Eastern and Western Equine Encephalitis viruses cause 
disease in humans  and horses.

The Orbiviruses, bluetongue viruses, we work with cause disease only in 
ruminant species and are transmitted from animal to animal via a biting 
gnat.  However, there was a recent incident where bluetongue virus somehow 
contaminating a canine vaccine.  This resulted in abortion and death in 
pregnant bitches.  (see Wilbur J. Am. Vet. Med. Assoc. 204:1762)  There are 
no confirmed reports of humans developing a titer to bluetongue viruses.  I 
was surprised to hear that African horse sickness, another orbivirus, causes 
disease in humans.  Has this been reported in the literature?

William C. Wilson
USDA/ARS
Arthropod-borne Animal
     Diseases Res. Lab.
Laramie, WY  82071-3965
Phone: (307)766-3622
Fax:   (307)766-3500
e-mail: wcwilson at uwyo.edu




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