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Second human case of West Nile Virus this year identified in Delaware


Another Delawarean has become infected with West Nile Virus. The 79-year-old Sussex County woman is the second in Delaware this year.   

West Nile Virus is spread by mosquitoes - with the peak season for transmission between mid-August and mid-October.

Officials are investigating any travel history or sources that could have led to transmission in this latest case.

State public health director Dr. Karyl Rattay said in a statement that, “as mosquito season continues through the fall months, it is important for everyone to take proper precautions.”

Public health officials recommend wearing insect repellent and light-colored, long-sleeved shirts and pants when outside in places where mosquitoes are prevalent.

The two cases of West Nile Virus Delaware has found in humans this year are the first since 2018. 

A Kent County horse, which was not vaccinated against West Nile Virus, was euthanized this month after contracting the illness. 

Owners can help protect their horses from mosquito bites by keeping them inside during dawn and dusk, applying topical insect repellents labeled for use on horses, using fans to keep air moving and eliminating any standing water. 


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