@CNN: 25 of the top US burger chains were graded on their antibiotic policies in a new report released today. Only two chains received an A: Shake Shack and BurgerFi. The other 23 got a D minus or F. https://t.co/GSEiECovOI https://t.co/o35Mj57Z2l

@CNN: 25 of the top US burger chains were graded on their antibiotic policies in a new report released today. Only two chains received an A: Shake Shack and BurgerFi. The other 23 got a D minus or F. https://t.co/GSEiECovOI https://t.co/o35Mj57Z2l