Long-term Follow-up of Immunogenicity of a Single Dose of Japanese Encephalitis Chimeric Virus Vaccine (JE-CV) in Toddlers

Inclusion Criteria

• •Provision of Informed Consent Form signed by at least one parent or other legally acceptable representative, and by at least one independent witness if required by local regulations.
• •Participant who was vaccinated with JE-CV in JEC02 trial and had a pre-vaccination blood sample at baseline in JEC02 trial.
• •Participant and parent/legally acceptable representative able to attend all scheduled visits and comply with all trial procedures.