FACTORS AFFECTING ACCEPTANCE AND PREFERENCE OF THE JAPANESE ENCEPHALITIS VACCINE AMONG THAIS AND WESTERN TRAVELERS

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20230802003

Enrollment

500

Registered

2023-08-02

Start date

2023-07-17

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

1) Adult western traveler age 18-years and older who living in or originating from the West, in particular Europe, the United States and the North America (Canada), including both short-term (travel as less than 4 weeks) and long-term (travel as more than 4 weeks), visitors to Thailand. 2) Thai nationals age 23 years old and older (born before 2000) who have never been vaccinated against JE or have no history of JE vaccination. Japanese Encephalitis, disease burden, Japanese Encephalitis vacci

Interventions

Adult Thai travelers aged 23 years old and older (born before 2000) who have never been vaccinated against JE or have no history of JE vaccination.,Adult western traveler aged 18-years and older who l

Prevention,Prevention

Thais,Western travelers

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1) Adult western traveler age 18-years and older who living in or originating from the West, in particular Europe, the United States and the North America (Canada), including both short-term (travel as less than 4 weeks) and long-term (travel as more than 4 weeks), visitors to Thailand. 2) Thai nationals age 23 years old and older (born before 2000) who have never been vaccinated against JE or have no history of JE vaccination.

Exclusion criteria

Exclusion criteria: 1) Participants who have been vaccinated against JE vaccine or have history of JE vaccination. 2) Participants who have JE vaccine contraindications (e.g. immunocompromised or pregnancy) 3) International travelers who visit a travel clinic to acquire the JE vaccine

Design outcomes

Primary

Measure	Time frame
The acceptance and preference for JE vaccine among Western travelers and Thais 3 months Questionnaire	—

Secondary

Measure	Time frame
To determine a discrete choice experiment (DCE) of Japanese encephalitis vaccine among Western traveler and Thais 3 months Quesdtionnaire	—

Countries

Thailand

Contacts

Public ContactPUNYISA ASAWAPAITHULSERT

HOSPITAL FOR TROPICAL DISEASE

Punyisa@thaitravelclinic.com0641595551

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026