LONDON (AP) — The European Medicines Agency on Thursday gave the green light to Johnson & Johnson’s one-dose coronavirus vaccine, handing the European Union's 27 nations a fourth vaccine to try to speed up the bloc's much-criticized vaccination rollout.

The EU medicines regulator advised that the vaccine be cleared for use in all adults over 18 “after a thorough evaluation” of J&J’s data found the vaccine met the criteria for efficacy, safety and quality.

“With this latest positive opinion, authorities across the European Union will have another option to combat the pandemic and protect the li...