Promotion of COVID-19 vaccination in the general population Infections and Infestations
Conditions
Interventions
Participants in the treatment group will receive personalised WhatsApp chatbot messages informing them they are eligible for the next dose with a motivational message leveraging loss aversion (“don’t
Sponsors
The Behavioural Insights Team
Eligibility
Sex/Gender
All
Age
18 Years to 110 Years
Inclusion criteria
Inclusion criteria: Individuals from Chaco province, Argentina, will be included in the trial if: 1. They are aged 18 years old and over 2. Have received the first COVID-19 vaccination dose 3. Are eligible to receive their next COVID-19 dose (i.e., 2nd, 3rd, 4th, or 5th dose of the COVID-19 vaccination) 4. Have a valid mobile number registered within the database 5. Their mobile number is registered with WhatsApp 6. The mobile number is unique to one individual within the database
Exclusion criteria
Exclusion criteria: Not meeting the participant inclusion criteria
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Next dose vaccination rate, indicating whether the individual received the next dose for which they are eligible, measured using administrative data provided by the Ministry of Health which includes information on the date of vaccination within four weeks of entering the trial | — |
Secondary
| Measure | Time frame |
|---|---|
| There are no secondary outcome measures | — |
Countries
Argentina
Contacts
Public ContactAdelaida Barrera
Outcome results
None listed