The EU was slow to roll out covid-19 vaccines, then destroyed confidence in the Astrazeneca vaccine and is now embroiled in a row over supplies. Will America avoid Europe's pitfalls? Dr Anthony Fauci, chief medical adviser to President Biden, explains vaccination progress in America, the plateau of new infections and his plan to combat new variants. Also, how does America's federal system affect the vaccination programme?

Alok Jha, The Economist's science correspondent, hosts with our health policy editor, Natasha Loder. Edward Carr, The Economist's deputy editor and our New York correspondent Rosemarie Ward join them.

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