IM Individual ≥12 yr w/ or w/o prior vaccination 1 dose (0.5 mL), administered at least 3 mth after the most recent dose of COVID-19 vaccine.
Individual ≥65 yr 1 dose. 1 additional dose may be administered at least 3 mth after the most recent dose of COVID-19 vaccine.
Immunocompromised ≥12 yr w/ or w/o prior vaccination 1 dose (0.5 mL). Additional age-appropriate dose(s) may be administered in severely immunocompromised at least 2 mth following the most recent dose of a COVID-19 vaccine.