Reminder Emails to Improve Pneumococcal Vaccine Completion at 12 Months of Age

"The intervention is sending enhanced (modality and frequency) of reminders to CANImmunize App users, in addition to the standard notifications. Specifically:~* Deliver reminders and recall emails to parents or guardians of infants waiting for their 12-month dose of pneumococcal vaccine,~* Add additional information about the benefits, safety and effectiveness of the pneumococcal vaccine to support increased uptake, and~* Provide tips to improve parents' or guardians' self-efficacy in circumventing barriers to timely immunization of children at the 12-month's visit"

"Push notifications at two time points:~* two weeks prior to the immunization due date~* one week after the immunization due date"