These include eastern equine encephalitis, western equine encephalitis, St. Louis encephalitis, and LaCrosse encephalitis. Arboviral infections are most common in the summer and early fall. Most people who are infected with an arbovirus either do not get sick or have mild symptoms Symptoms usually begin 5-15 days after a bite from a mosquito carrying the virus. There is no specific treatment for arboviral encephalitis. However, supportive therapy can relieve some symptoms.
Most people recover from the illness, but permanent neurological problems and death can occur.
Wear clothing that covers the arms, legs, and feet whenever you are outdoors. Use mosquito repellents sparingly on exposed skin. Higher concentrations may cause side effects, particularly in children. Avoid applying repellents to the hands of children and do not use repellents on children under 3 years of age. Follow package instructions carefully.