The incubation period is thought to range from 3 to 14 days. Most people who are infected with WNV have no symptoms. Of those that become ill, most symptoms are mild, such as fever, headache and body aches, mild rash and swollen lymph glands. Other mild symptoms might include loss of appetite, nausea or vomiting, fatigue, and eye pain. Symptoms generally last 3 to 6 days.
More severe symptoms might include a severe headache, high fever, stiff neck, confusion, seizures, muscle weakness or paralysis and loss of consciousness. For more information please call 530-265-1222.