The Moderna and Pfizer Covid-19 vaccines have been approved for a third dose for those who are immunocompromised. The Pfizer vaccine has been approved for a booster dose for certain individuals.
The New Jersey Department of Health's Third Dose vs. Booster checklist (PDF) explains the difference between the two. If you are unsure whether you should get a third dose or a booster dose, talk to your health care provider.
For more information about Covid vaccines and other related topics, visit our Covid-19 Information Hub.