politics #Healthcare #House #International #Colorado #Denmark #DianaDegette #EricaSchwartz #FrankPalloneJr #GuineaBissau #HepatitisB #HepatitisBVaccine #HouseEnergyAndCommerceCommittee #NewJersey #NewYork #VaccineTrials #YvetteDClarke House Democrats demand answers from CDC on African hepatitis B study The Hill 3h ago
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