West Nile Virus Infection Symptoms
The following are the symptoms to be aware of about 3 to 14 days after an infected mosquito bites a person and transmits the West Nile virus:
- West Nile virus infection typically begins with the abrupt onset of fever, chills, muscle aches, headache, and overall feeling of illness. Headache is particularly common and may be severe. The person may have sensitivity to light with pain behind the eyes.
- Most people fully recover. In others, particularly the elderly and some young children, the disease can progress to cause encephalitis or meningitis and infrequently, death.