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Equine Infectious Anemia-A Rise in Iatrogenic Transmission

Friday, April 13, 2018   (0 Comments)
Posted by: Julie Braun
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Equine Infectious Anemia (EIA) virus infection of equids has a worldwide distribution, can produce severe disease or death and can occur as a lifelong subclinical carrier state.  The virus is related to the human AIDS Lentivirus but is not known to infect humans.   The disease has been predominately spread by biting insects, especially horse and deer flies.  However, in recent years clusters of cases have occurred due to iatrogenic transmission of the virus through indiscriminate use of needles, blood transfusion and the use of contaminated instruments.  States currently regulate most aspects of EIA control in the United States.  State testing intervals range from 2 months to 12 months.  In Missouri, equidae must be tested for EIA when they are involved in a change-of-ownership, when they are imported from another state, when they are publicly exhibited, boarded, trained, bred and when they are sold through a livestock market.  Discovery of the disease requires quarantining and retesting of the affected and exposed animal(s).  Upon confirmation of a positive test results from the USDA National Veterinary Services Laboratory, the affected animal is permanently identified and either euthanized or permanently quarantined to the owner’s premises until natural death occurs.

 

Submitted by Dr. Tom Lenz

 

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