RANDOMIZED CONTROLLED TRIAL OF TEXT MESSAGE TO INCREASE PNEUMOCOCCAL VACCINATION IN ADULTS IN CHILE.
Conditions
- Pneumococcal Infections
- Immunization Programs
- Vaccination Coverage
- Text Messaging (Intervention)
- Reminder Systems
- Health Promotion
- Aged 65 Years or Older
Interventions
- BEHAVIORAL: WhatsApp text message reminder for pneumococcal vaccination
Sponsor
Pablo Tomás Valenzuela García
Collaborators