Influenza vaccine effectiveness Immunogenicity Elderly Influenza vaccine effectiveness Immunogenicity Elderly
Conditions
Interventions
Elderly who got influenza vaccine,Elderly who didn'
t get influenza vaccine
Treatment,Treatment
Vaccination group,unvaccination group
Sponsors
Thailand MOPH-U.S. CDC collaboration
Health Technical office of Ministry of Public Health
Eligibility
Sex/Gender
All
Age
65 Years to 119 Years
Inclusion criteria
Inclusion criteria: • Both males and females aged 65 years old or more; • Non-institutionalized; • Regularly resident of That Phanom or PlapakProvince (defined as being regularly resident since Songkran 2014) • Must be able to communicate adequately (able to see, hear and understand questions, and respond appropriately)
Exclusion criteria
Exclusion criteria: • Elderly with body disabilities that may have impact on self- nasal swab or telephone interview (i.e. elderly with stroke) • Elderly with history of tumor in the nose or nearby areas • Elderly with history of bleeding order (i.e. hemophilia) • Elderly who often gets nosebleeds • Any elderly with an acute medical condition or illness that could not participate in the study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| influenza event ARI/SARI Within 3 days after ARI/SARI Laboratory confirmed PCR for Influenza virus | — |
Secondary
| Measure | Time frame |
|---|---|
| HAI titer for influenza virus Prior vaccination ,post vaccination 1st ,6th,12th months Hemaglutinin Inhibition Assay for Influenza virus | — |
Countries
Thailand
Contacts
Public ContactPrabda Praphasiri
TUC
Outcome results
None listed