Baltimore Sun — Before heading out the door on the morning of Sept. 18, Victoria and Martin Olivier and their 4-year-old daughter struck a deal. In exchange for good behavior during the family’s pharmacy visit for seasonal flu shots, Colette could expect a sugary treat in her future. So when the Walgreens pharmacist asked “Who wants to go first?” and Colette bravely sprang up to volunteer, her parents felt a wave of relief wash over them. But relief soon gave way to panic when the pharmacist realized she injected Colette with a dose of the Pfizer vaccine, which is not...