Opting In vs Opting Out of Influenza Vaccination

Faculty and staff at Rutgers University who were automatically scheduled for a flu shot were more likely to vaccinate than those who were asked to schedule their own appointments.

Impact:

In the opt-out condition, 45% were vaccinated compared with 33% in the opt-in condition.

Source: https://jamanetwork.com/journals/jama/fullarticle/186162