A large observational study using US healthcare claims and electronic health record data suggests that Moderna’s updated 2024 ...

Moderna says its vaccine is 93% effective against symptomatic illness at six months (though this data collection ended before delta emerged in the U.S.). Moderna said its booster candidates also ...

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, ...

Moderna shared plans to ask the U.S. Food and Drug Administration to authorize emergency use of its COVID-19 vaccine Monday following new data indicating it’s more than 94% effective. The ...