DETROIT — At least one Michigan organ transplant center is considering making COVID-19 vaccination a requirement for the procedure — a policy that has presented challenges elsewhere for people who need a transplant but object to the vaccine. In Michigan, two of the largest hospital systems — Henry Ford Health System and Beaumont Health — don't require vaccination for an organ transplant. But Michigan Medicine, the University of Michigan's health system, is considering making COVID-19 vaccination a requirement for organ transplantation, spokeswoman Mary Masson said Friday. A Colorado woman at r...