Nationwide Utilization of Danish Government Electronic Letter System for Confirming the Effectiveness of Behavioral Nudges in Increasing InFLUenza Vaccine Uptake Among Older Adults

Conditions:   Influenza;   Behavior and Behavior Mechanisms Intervention:   Behavioral: Behavioral Economic Principles Sponsors:   Tor Biering-Sørensen;   Statens Serum Institut Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials