Using Text Messages to Boost COVID-19 Vaccine Booking Rate

Using Text Messages to Boost COVID-19 Vaccination Appointment Booking and Vaccination Rates: A Randomised Controlled Field Trial.

This study is a nationwide randomised controlled trial (RCT) to test the impact of behavioural science-informed text messages notifying patients of their eligibility for the COVID-19 vaccine on vaccination rates.

Inclusion Criteria:

• (i) satisfying the age criteria as defined above;
• (ii) recorded in the National Immunisation Management System (NIMS);
• (iii) with a valid mobile phone number;
• (iv) who had not already received or been invited for the COVID-19 vaccine via NIMS at the time of the study.

Exclusion Criteria:

• Participants with invalid phone numbers