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March 29, 2022 – FDA Authorizes Second mRNA Booster Dose for Adults Over 50 and Immunocompromised Individuals

On March 29, 2022, the U.S. Food and Drug Administration (FDA) authorized a second booster dose of either the Pfizer COVID-19 vaccine (marketed as Comirnaty) or the Moderna COVID-19 vaccine (marketed as Spikevax) for adults 50 years of age or older and individuals with compromised immune systems. The updated authorizations for these vaccines are as follows:

  • Adults 50 years of age and older can receive a second booster dose at least four months after the first booster dose was administered;
  • Individuals 12 years of age and older who have a compromised immune system can receive a second booster dose of Comirnaty at least four months after the first booster dose was administered; and
  • Individuals 18 years of age and older who have a compromised immune system can receive a second booster dose of Spikevax at least four months after the first booster dose was administered.

To support the agency’s decision, the FDA cited data from Israel that showed a 78 percent reduced mortality rate for older adults who received a second booster dose of an mRNA vaccine compared to adults who received just one booster dose. If you have not yet been vaccinated against COVID-19, Pandemic Patients recommends that you consult with your health care provider to discuss getting vaccinated as soon as possible. If you are unsure about your eligibility for the COVID-19 vaccine, review our Vaccine Eligibility Guide to learn more.

FDA Authorizes First Vaccine Booster for Children 5-11

On May 17, 2022, the U.S. Food and Drug Administration (FDA) amended the Emergency Use Authorization (EUA) for the Pfizer-BioNTech COVID-19 vaccine (marketed as Comirnaty) to authorize the use of a single booster dose for children between the ages of five and eleven. The FDA authorized the administration of this booster at least five months after the completion of the primary vaccination series with the same vaccine.

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R.T. Asked: When Can I Get the COVID-19 Booster After Receiving Monoclonal Antibodies?

“When should immunocompromised patients get their second COVID-19 vaccine booster after receiving monoclonal antibodies? We are getting conflicting information from doctors, the news, medical literature, and hospitals on whether it is safe to receive a COVID-19 vaccine or vaccine booster after receiving monoclonal antibodies and whether doing this will reduce the efficacy of the vaccine. We are in a quandary, not knowing what to do.”

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