Digital Applications to Monitor Novel Coronavirus Disease and Response in Colombia - Syndromic and Vaccination Surveillance
Conditions:   Vaccination Refusal;   COVID-19 Interventions:   Behavioral: Factual messages;   Behavioral: Narrative message;   Behavioral: Mixed message Sponsors:   Johns Hopkins Bloomberg School of Public Health;   Pontificia Universidad Javeriana Completed (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 10, 2023 Category: Research Source Type: clinical trials