Johnson & Johnson releases COVID-19 vaccine booster study as U.S. struggles with pandemic surge
Johnson & Johnson says new research shows a second shot of its COVID vaccine boosts antibodies nine-fold. Meanwhile, the debate over mask and vaccine mandates is dividing Americans. CBS News national correspondent Mark Strassmann reports, then Dr. Amesh Adalja from Johns Hopkins University Bloomberg School of Public Health joins CBSN to discuss the latest research.