Public health authorities in California are seeking a halt on dosing of one lot of Moderna’s COVID-19 vaccine after reports of allergic reactions at one immunisation clinic.

Just 1 in 100,000 people have had a severe allergic reaction to the first Covid-19 vaccine, the U.S. Centers for Disease Control and Prevention said. Moderna Inc.’s vaccine won European Union ...

Common Moderna booster side effects include ... Most cases were in adolescents and men in their early 20s. Other rare ...

Moderna expects to present the Phase 3 study data at an upcoming medical conference and plans to submit the information to a peer-reviewed medical journal. The adverse reactions to the combination ...