What’s Up? (Aug. 22-28) Delta’s Latest Surcharge On Monday, the Food and Drug Administration granted full approval to Pfizer-BioNTech’s coronavirus vaccine for people 16 and older, kicking off a new wave of company vaccine mandates. Delta Air Lines announced a new approach to encouraging, rather than requiring, employees to take the vaccine: Starting Nov. 1, unvaccinated workers will have to pay an additional $200 per month to remain on the company’s health care plan. It’s unclear how effective the policy will be. Studies of employer wellness programs that promote healthy behavior, such as quitting smoking, by offering rewards or imposing penalties have shown little effect on employee health. But employees…