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