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The U.S. vaccine distribution delays arise as the U.K. decides to space out time between vaccine doses

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Immunotherapy scientist and an advisor for 'Covid Act Now' and The National Convalescence Plasma Project, Dr. Leo Nissola joins MSNBC’S host of “American Voices” Alicia Menendez to discuss the new strain of covid-19, the vaccine rollout and the U.K’s decision to space out the time between doses.