PROVIDENCE, R.I. [Brown University] — While mRNA vaccines against COVID-19 have been found to be safe and effective for the general population, in-depth evidence about safety and effectiveness for older adults and individuals with chronic health conditions is more limited. To address that gap, a team led by Brown University researchers conducted the largest head-to-head comparison study of the two mRNA vaccines approved by the U.S. Food and Drug Administration — the Moderna and Pfizer-BioNTech vaccines.

https://www.miragenews.com/research-moderna-best-safest-mrna-covid-19-1058757/

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