For Biden, a New Virus Dilemma: How to Handle a Looming Glut of Vaccine March 26, 2021 Auto Bot AstraZeneca PLC, Biden, Joseph R Jr, Coronavirus (2019-nCoV), Moderna Inc, Pfizer Inc, Shortages, United States Politics and Government, Vaccination and Immunization 0 As U.S. manufacturers hit their stride, vaccine scarcity will soon turn to plenty as much of the world goes begging. And vaccine makers need answers now about what to do with the coming surplus.