Supply-Chain Obstacles Led to Last Month’s Cut to Pfizer’s Covid-19 Vaccine-Rollout Target
Pfizer and partner BioNTech had hoped to roll out 100 million vaccines world-wide by the end of this year, a plan that was reduced to 50 million last month, highlighting the challenges drug makers face in rapidly building supply chains to meet the high demand.
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Pharma giant expects to ship half the doses it had originally planned after finding raw materials in early production didn’t meet its standards
