Delaying second COVID-19 vaccine doses will make supplies last longer but comes with risks
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11 January 2021Delaying second COVID-19 vaccine doses will make supplies last longer but comes with risks
Drugmakers are facing challenges in manufacturing vaccines and building supply chains to meet the demand for COVID-19 vaccines. Pfizer has even lowered production targets. Scarcity of vaccines has prompted calls for a Band-Aid-like strategy to stretch the precarious supply.
