DOVER, DE — Delaware has reported its first human case of West Nile Virus (WNV) this year in a New Castle County resident, who has been hospitalized but is on the mend. The Delaware Public Health Laboratory confirmed the case, marking the annual emergence of this mosquito-borne illness in the state.
In addition to the human case, the Delaware Department of Agriculture‘s Office of the State Veterinarian has identified two equine cases in Kent County. These cases involve a 5-year-old Friesian stallion and a 1-year-old Quarter Horse gelding, both unvaccinated. The stallion has recovered, while the gelding is still recuperating.
West Nile Virus, primarily transmitted through mosquito bites, can cause severe health issues in humans, especially among the elderly and those with weakened immune systems. While most infected individuals show no symptoms, about 20% experience mild symptoms such as fever and aches. Horses can also be severely affected, displaying symptoms like fever, staggering, and weakness.
The public is advised to take preventive measures against mosquito bites, including wearing protective clothing and using insect repellent. Horse owners are encouraged to keep animals indoors during peak mosquito activity times and to ensure their animals are vaccinated against WNV and Eastern Equine Encephalitis (EEE).
With mosquito season extending until the first hard freeze, vigilance remains crucial. The State Veterinarian emphasizes the importance of incorporating WNV and EEE vaccines into annual veterinary care to safeguard equine health.
Delaware’s health and agricultural officials continue to monitor and address these virus cases, urging the community to remain informed and proactive in prevention efforts.
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