Accessibility Information State Directory State Agencies Translate Home Vaccine Testing Contact Tracing FAQs Language Assistance Services COVID-19 Vaccine Marylanders 18+ who received their second Pfizer or Moderna COVID-19 dose at least six months ago and Marylanders 18+ who received the Johnson & Johnson COVID-19 vaccine two or more months ago are now eligible for a COVID-19 booster shot. All Marylanders 5 and older are eligible for initial COVID-19 vaccination. Vaccinations are available through hospitals, local health departments and pharmacies. Keep Reading Resources FAQs Appointment info Booster Eligibility Find a vaccination clinic near you Marylanders 18+ who received their second Pfizer or Moderna COVID-19 dose at least six months ago and Marylanders 18+ who received the Johnson & Johnson COVID-19 vaccine two or more months ago are now eligible for a COVID-19 booster shot. All Marylanders 5 and older are eligible for initial COVID-19 vaccination. Vaccinations are available through hospitals, local health departments and pharmacies. Schedule an appointment Why should you get the vaccine? Protects Learn how it protects you from COVID-19-related serious illness and death. Prevents Learn how it prevents you from experiencing dangerous long-haul COVID-19 symptoms. Defends Learn how it defends against new, more contagious, and even deadlier variants of COVID-19. What are the vaccines? Vaccines Status Dosing Efficacy Potential Side Effects Pfizer Vaccine has been authorized for emergency use Two doses, delivered three weeks apart 95% effective at preventing serious illness Injection-site pain, fatigue, headaches, chills Moderna Vaccine has been authorized for emergency use Two doses, delivered four weeks apart 94.1% effective at preventing serious illness Injection-site pain, fatigue, muscle aches, joint pain, headaches, chills Johnson & Johnson Vaccine has been authorized for emergency use One Dose 85% effective at preventing severe illness Injection site pain, fatigue, headache, muscle pain, joint pain Novavax Vaccine trials are ongoing Two doses, delivered three weeks apart – Injection site pain, rash, headaches, muscle pain, fever AstraZeneca Vaccine trials are ongoing Two doses, delivered four weeks apart – Fever, muscle aches, headaches, injection site pain Resources about the COVID vaccine We are here to help you. If you have questions or need help, operators are available to assist you. Call 855-MD-GoVAX (855-634-6829) Available resources will evolve as the Maryland vaccination effort moves forward. Please check our resources page regularly for information and updates. Trending Questions and Answers Ask A Vaccine Question Vaccine Booster Shots Get Vaccinated GoVAX Testing Get Tested If You Test Positive Monoclonal Antibody Treatment Contact Tracing MD COVID Alert I've Been Alerted FAQs 201 W. Preston Street Baltimore, MD 21201-2399 (410) 767-6500 | 1-877-463-3464 covidLINK Search © Copyright Maryland.gov. All rights reserved. Privacy Policy Accessibility