Schedule your Moderna Booster COVID-19 vaccine here. Schedule your First Dose Moderna COVID-19 Vaccine here. Schedule your IMMUNOCOMPROMISED Moderna 3rd Dose COVID-19 vaccine here ***Please note, all in store appointments are for the Moderna vaccine which has a minimum age of 18 years and older.. We are holding a one time Pfizer for Children Aged 5-11 at St Marys Area Middle School (1st dose ....