Not applicableStudy completedNCT04813770What this trial is testingThe Impact of Theory-based Messaging on Covid-19 Vaccination IntentionsWho this might be right forVaccinationCovid19 University of Glasgow 1,113
Not applicableStudy completedNCT05107479What this trial is testingEffectiveness of Interactive Voice Response for COVID-19 Vaccination Training in the Democratic Republic of the CongoWho this might be right forCOVID-19 Vaccine KnowledgeCOVID-19 Vaccine Beliefs Stanford University 8,959
Not applicableStudy completedNCT06698497What this trial is testingBoosting COVID-19 Vaccination Uptake Using Wastewater SurveillanceWho this might be right forVaccine Uptake Syracuse University 40
Not applicableStudy completedNCT05252936What this trial is testingEffectiveness of a Mayan Language Social Media Campaign on COVID-19 Vaccine Beliefs in GuatemalaWho this might be right forVaccination Refusal Stanford University 5,000
Not applicableStudy completedNCT05085613What this trial is testingDoes Framing and Humor Improve the Effectiveness of Messages About COVID-19 VaccineWho this might be right forBeliefs Johns Hopkins Bloomberg School of Public Health 100