Johnson & Johnson announced new data for its COVID-19 vaccine showing that protection against COVID-19 increases when a booster shot is administered. The safety profile of the vaccine remained consistent and was generally well-tolerated when administered as a booster.   J&J provided available data to the U.S. FDA and plans to submit the data to other regulators, and to inform decision-making on local vaccine administration strategies, as needed.   The largest real-world evidence stud...