How soon after exposure do symptoms appear?
It takes from 5 to 15 days after the bite of an infected mosquito to develop symptoms of LaCrosse encephalitis.
How is LaCrosse encephalitis diagnosed?
Diagnosis is based on tests of blood or spinal fluid.
Who is at risk for LaCrosse encephalitis?
Anyone can get LaCrosse encephalitis, but some people are at increased risk:
• Children under 16 years of age;
• People who live in or visit woodland habitats in areas where the disease is common;
• People who work outside or participate in outdoorrecreational activities in areas where the disease is common.