Russia Approves Coronavirus Vaccine Before Completing Tests

MOSCOW — Russia has become the first country in the world to approve a vaccine for the coronavirus, President Vladimir V. Putin announced on Tuesday, though global health authorities say the vaccine has yet to complete critical, late-stage clinical trials to determine its safety and effectiveness.

Mr. Putin, who told a cabinet meeting on Tuesday morning that the vaccine “works effectively enough,” said that his own daughter had taken it. And in a congratulatory note to the nation, he thanked the scientists who developed the vaccine for “this first, very...