I got the Moderna vaccine. Can I get a Pfizer booster? - until clinical trials can prove that mixing and matching vaccines is both safe and effective, the FDA is unlikely to recommend the practice.

I got the Moderna vaccine. Can I get a Pfizer booster? - until clinical trials can prove that mixing and matching vaccines is both safe and effective, the FDA is unlikely to recommend the practice.: https://ift.tt/3EPMUhu Read more... https://ift.tt/3i4CGQB