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, ...

(NEXSTAR) – The Moderna COVID-19 remains effective even after 6 months, the company said in a Tuesday update on its ongoing clinical trials. The study looked at 33 healthy adult participants in the ...

As more Americans receive their COVID-19 vaccination daily, many are wondering how long they'll be effective for and whether some people will require booster shots at some point. Dr. Elizabeth Hudson, ...

A new preprint study suggests that Moderna’s COVID-19 vaccine may be significantly more effective against symptomatic disease from the delta variant compared to Pfizer-BioNTech’s vaccine, while the ...

A study from the National Institutes of Health (NIH) found that mixing and matching COVID-19 vaccines for booster shots could be safe and effective, though the Centers for Disease Control and ...

Moderna hopes to have a booster shot for its two-dose Covid vaccine available in the fall, CEO Stephane Bancel told CNBC on Wednesday. "I want to make sure there are boost vaccines available in the ...

(NEXSTAR) – News is developing so quickly when it comes to COVID-19 booster shots, it can be hard to keep track of what’s happening. Have they been approved? Am I eligible? When can I get one? The ...

Booster vaccines reduced the risk of COVID‑19-related hospitalization and death, according to a new study of over 3 million adults who had the autumn 2022 vaccine in England. The research, led by the ...