Tick-borne Encephalitis
A virus spread by ticks in parts of Europe and Asia, and occasionally through unpasteurized dairy products.
Symptoms and what to notice
Some develop fever, fatigue, headache, nausea, or muscle aches followed by meningitis or encephalitis.
How long can it last?
Illness may occur in two phases over several weeks; neurologic effects can persist.
How serious is Tick-borne Encephalitis?
Can cause seizures, paralysis, lasting neurologic problems, or death.
Treatment and management
No specific antiviral; severe neurologic disease requires hospital supportive care.
Is there a vaccine—and who should receive it?
TICOVAC is a three-dose vaccine for eligible U.S. travelers and laboratory workers at risk. Age-specific timing and boosters apply.
Official U.S. guidance
Read the current CDC guidance for Tick-borne Encephalitis →
Cost: Patient cost varies by insurance, provider, location, and eligibility. Many recommended vaccines are covered with no out-of-pocket cost under qualifying plans, and eligible children may receive vaccines through the Vaccines for Children program. CDC price lists are purchasing benchmarks—not guaranteed patient prices. CDC price context.