Second Booster Dose
Adults age 50 and older and some immunocompromised individuals are now eligible to get a second Pfizer or Moderna booster dose at least 4 months after their first booster (whether they received a Pfizer, Moderna, or Johnson & Johnson booster). Older adults—especially those with underlying medical conditions—and people with compromised immune systems are at higher risk of severe COVID-19, and are among those most likely to benefit from the additional protection of a second booster shot.