From WSJ: "Pfizer Slashed Its Original Covid-19 Vaccine Rollout Target After Supply-Chain Obstacles Pharma giant expects to ship half the doses it had origina

From WSJ: "Pfizer Slashed Its Original Covid-19 Vaccine Rollout Target After Supply-Chain Obstacles Pharma giant expects to ship half the doses it had originally planned after finding raw materials in early production didn’t meet its standards Pfizer Inc. expects to ship half of the Covid-19 vaccines it originally planned for this year because of supply-chain problems, but still expects to roll out more than a billion doses in 2021. "