Moderna (MRNA) Up on Its COVID Vaccine’s Receipt of Full FDA Nod Posted byZacks Equity Research February 1, 2022 Leave a comment on Moderna (MRNA) Up on Its COVID Vaccine’s Receipt of Full FDA Nod The FDA grants full approval to Moderna’s (MRNA) mRNA-based COVID-19 vaccine, Spikevax, for individuals aged 18 years and above. Shares up.