Mosquito-Borne Viruses Emerge in Spring as Threat to S.C. Horses

West Nile virus and Eastern equine encephalitis have high mortality rates in exposed, unvaccinated horses, South Carolina animal health officials said.

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West Nile virus and Eastern equine encephalitis, both mosquito-borne diseases, have high mortality rates in exposed, unvaccinated horses. | Photo: iStock

A five-milligram mosquito can slay a 1,000-pound horse in a matter of days. All it needs is the right virus.

But with your help, the horse can survive the attack. All you need is the right vaccine—at the right time.

Now’s the time

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