PRINCE FREDERICK, Md. – Oct. 4, 2021 – Calvert County Government has reopened an information call center to assist eligible residents who wish to register for a booster or third dose of the COVID-19 vaccine through the Calvert County Health Department. For questions or assistance scheduling an appointment, residents may call 410-535-0218, Monday, Wednesday or Friday between 10 a.m. and 3 p.m.

Residents age 50 or older and individuals who are immunocompromised, who have received either the Moderna or Pfizer vaccine, are currently eligible for a booster or third dose. In addition, anyone 16 and older who works in one of the following prioritized job classifications is eligible with a work ID or note from employer:

  • Nursing home and assisted living staff
  • Healthcare workers
  • First responders
  • People who work or live in congregate residential facilities
  • Public transit and school bus drivers
  • Teachers/classroom staff and daycare staff

To view the schedule of upcoming vaccine clinics, including mobile clinics, and to schedule an appointment online, residents may visit Many health care providers, hospitals and pharmacies also offer COVID-19 vaccine clinics; search for all vaccine providers near you at

Individuals must bring proof of prior vaccination to their appointment to receive a booster or third dose. Citizens may view and print copies of their immunization record through the Maryland MyIR website at

For health questions regarding COVID-19 and vaccination, residents should call their primary care providers.

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