Booster doses 18 yo 1 dose 50 g 5mo after primary series may give heterologous booster doses but eligibility and dosing interval should follow primary series product if moderately severely immunocompromised give 3mo after primary series in pts 50 yo or mo

<b>Booster doses (≥18 yo):</b> 1 dose (50 μg) ≥5mo after primary series (may give heterologous booster doses, but eligibility and dosing interval should follow primary series product); if moderately-severely immunocompromised, give 3mo after primary series; in pts ≥50 yo or moderately-severely immunocompromised pts, give 2nd dose (50 μg) >4mo after 1st dose