Moderately and severely immunocompromised adults should receive a third booster dose of a COVID-19 mRNA vaccine, the Advisory Committee on Immunization Practices (ACIP) advised today following the Food and Drug Administration's (FDA) authorization of the booster shots late yesterday.A third booster dose should be given at least 28 days after the initial vaccinations series is complete, and the same vaccine should be used when possible, according to the FDA.
In addition, the ACIP said that the third dose would be given ideally 2 weeks before the start of immunosuppressive therapies.The ACIP said recent data show third doses significantly boost the effectiveness of mRNA vaccines in this population group, which includes those who have had an