A member asked:

I was diagnosed with afib after the moderna booster back in november. i have read that novavax may be fda approved for eua as soon as next month. is novavax safe, effective and suitable as a second booster after 3 moderna injections?

2 doctors weighed in across 2 answers
Dr. Clarence Grim answered

Specializes in Endocrinology

I would go to CDC.com for latest recommendations and discuss with your Dr.

Answered 3/26/2022

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Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

Novanax is new and no study has been done for this purpose so if you are afraid of another dose of Moderna you should choose Pfizer instead. The atrial fibrillation was likely coincidental rather than caused by a mRNA vaccine, especially if you have an underlying cardio-pulmonary illness. However, unless Moderna or Pfizer changes the product, I doubt another booster (#4) makes any difference.

Answered 3/27/2022

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