AdvertisementLawmakers Grill Vaccine Factory Executives About Manufacturing MistakesMay 19, 2021Sydney LupkinfacebookEmailRep. Mariannette Miller-Meeks, R-Iowa, listens as Robert Kramer, president and chief executive officer of Emergent BioSolutions, testifies during a Wednesday hearing of the House Select Subcommittee on the Coronavirus Crisis. (Getty Images)
