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Study Finds 3rd Booster Provides Additional Protection

Steven Miszkiewicz MD

Medical Director

Lac Courtes Oreilles Community Health Center


According to a study in JAMA(11/30/21), there was additional information regarding the protection conferred from getting a timely booster for the covid vaccines.

In this study, it was found that a third dose of the mRNA vaccine BNT162b2 provided additional protection against detected SARS-CoV-2 infection. Across the test-negative and matched case-control analyses, we estimated an 83% to 87% reduction in the odds of testing positive for SARS-CoV-2 after at least 2 weeks following receipt of the booster compared with receiving 2 doses. These numbers should be interpreted as the reduction in the odds of infection in a person receiving the booster dose compared with a person receiving only the 2 primary doses. This reduction comes on top of the reduction in the risk conferred by the first 2 doses.


After 14 days, the odds of hospitalization among those who received a booster dose were 92% to 97% lower than those who had received just 2 doses.


PLEASE CALL LAC COURTE OREILLES COMMUNITY HEALTH CENTER TO SCHEDULE YOUR VACCINE: 715-638-5100