The suburban equestrian community took precautions Friday to protect horses from the equine herpes virus that a state agency says has affected at least eight horses at Bartlett’s Sunset Hill Farm.

Two horses at Sunset Hill have been euthanized, according to the Illinois Department of Agriculture. The farm’s co-owner, Georgette Litchfield, said earlier Friday that three horses died there in the past week, but it is not known if they all had the virus.

Another horse at the farm, which houses 35 horses at 8N190 Naperville Road, became sick with a fever, Litchfield said, and was tested. After a nasal swab and blood work were conducted, it was confirmed Thursday the horse had the strain of the virus identified as EHV-1.

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