Message Offering Free Round Trip Ride-Share Ride to Pharmacy

This experiment is part of a megastudy with a total of ten experimental conditions and a holdout control condition to which patients will be randomly assigned. The focal comparison in this experiment is between a message encouraging vaccination that provides patients with a free round trip ride-share ride to and from any pharmacy near them and a control message telling patients that an updated COVID booster vaccine is waiting for them.

Exclusion Criteria:The patient unsubscribed from texts before the send date and time of the patient's SMS/MMS messageThe patient received a bivalent COVID booster before the send date and time of the patient's SMS/MMS message.