Merck CEO Frazier says COVID-19 vaccine hype a 'grave disservice' to the public

Politicians, government officials and pharma executives alike have been predicting a COVID-19 vaccine debut by year's end, but Merck CEO Kenneth Frazier doubts that's possible—and Merck has enough vaccine experience to know the obstacles ahead.

Instead, those who are promising vaccines later this year could be hurting the overall fight against the pandemic, Frazier figures.