Dr. Anthony Fauci on Tuesday said that there's a chance that Moderna's COVID-19 booster shot may not have FDA and CDC approval by the White House's Sept. 20 target date, though he expects that ...

Moderna says it is in the process of developing a single-shot vaccine that could serve as a COVID-19 booster shot and a flu shot. In a press release Thursday touting its fifth annual "R&D Day," ...

Moderna said on Monday its updated Covid-19 booster generated "significantly higher" neutralizing antibodies against the Omicron BA.4/BA.5 subvariants than its earlier shot. The bivalent booster used ...

Moderna announced Monday that a third dose of its mRNA vaccine against Covid-19 appears to provide significant protection against the omicron variant. The company said that its authorized booster can ...

CAMBRIDGE, Mass. - Moderna’s COVID-19 vaccine remained 93% effective against symptomatic illness six months after the second dose, but amid the ongoing spread of the highly contagious delta variant, ...

WASHINGTON — Pfizer and Moderna say the Food and Drug Administration have opened up COVID-19 booster shots to all adults, letting them choose another dose of either vaccine. The move expands the ...