존슨앤드존슨, 코로나 백신 3상 임상시험 착수…미국서 4번째<br /><br />American drugmaker Johnson and Johnson has begun its phase three trial of its COVID-19 vaccine candidate.<br />Johnson and Johnson is now the fourth drugmaker backed by the Trump administration to enter late-stage testing after Moderna, Pfizer and AstraZeneca.<br />Johnson and Johnson's trial will enroll up to 60-thousand adult volunteers across 215 locations in the U.S. and other countries.<br />The company expects possible vaccine batches for potential emergency use authorization to be available early next year.<br /><br />
