Tick-borne encephalitis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age above 1 at study consent 2. Anyone who has risk of tick bite 3. Subjects who understand and agree with participation of their free will
Exclusion criteria
Exclusion criteria: 1. Patients suspected with acute illness such as fever 2. Patients currently under treatment for any acute illness or patients who have not recovered from acute illness for more than 1 week 3. Severe immunodeficiency 4. History of severe adverse reaction or allergy after tick-borne encephalitis vaccine 5. Hypersensitivity to formaldehyde, neomycin, gentamycin, protamine sulfate) 6. Severe hypersensitivity to egg and chick proteins (anaphylactic reaction after oral ingestion of egg protein) 7. Severe hypersensitivity to latex (anaphylactic reaction to latex) 8. Pregnancy or breastfeeding 9. Participants who deemed inappropriate by principal investigator 10. For first time vaccination: tick bite within 4 weeks
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Frequency of local and systemic adverse reaction to first tick-borne encephalitis vaccination | — |
Secondary
| Measure | Time frame |
|---|---|
| Seropositive rate after two tick-borne encephalitis vaccination | — |
Countries
Japan
Contacts
Sapporo City General Hospital Department of Infectious Diseases