TribLIVE's Daily and Weekly email newsletters deliver the news you want and information you need, right to your inbox. U.S. health advisers on Friday urged resuming covid-19 vaccinations with Johnson & Johnson’s single-dose shot, saying its benefits outweigh a rare risk of blood clots — in line with Europe’s rollout. Federal health officials uncovered 15 vaccine recipients who developed a highly unusual kind of blood clot, out of nearly 8 million people given the J&J shot. All were women, most under age 50. Three died, and seven remain hospitalized. “I think it’s important to note that all three vaccines are safe and effective,” said Dr. Graham Snyder, UPMC’s medical director of infection prevention and hospital epidemiology. “What they’ve identified is 15 cases of clots associated with the vaccine. Given the number of doses already administered, that still makes this a very rare occurrence.”