One chart shows how effective Moderna's vaccine is at preventing people from getting COVID-19 Hilary BrueckDec 15, 2020, 23:55 IST Nurse Kath Olmstead, right, gives volunteer Melissa Harting an injection as part of a COVID-19 vaccine trial, developed by the National Institutes of Health and Moderna Inc., on July 27, 2020.Hans Pennink/AP The Food and Drug Administration released data about Moderna's coronavirus vaccine on Tuesday. The FDA data suggests the company's two-shot course works very well to prevent COVID-19 infections. If authorized by the FDA, Moderna's shot would become the US's ...