Sign inWelcome! Log into your accountPassword recoveryRecover your passwordA password will be e-mailed to you.Text Size:A-A+New Delhi: The head of the world’s biggest vaccine maker and the World Health Organization’s chief scientist said manufacturers of coronavirus shots face a global shortage of the raw materials needed to churn out the inoculations.Adar Poonawalla, the chief executive officer of the Serum Institute of India Ltd. — which is licensed to produce hundreds of millions of Covid-19 vaccines from AstraZeneca Plc and Novavax Inc. — told a World Bank panel on Thursday that a U.S....…Sign inWelcome! Log into your accountPassword recoveryRecover your passwordA password will be e-mailed to you.Text Size:A-A+New Delhi: The head of the world’s biggest vaccine maker and the World Health Organization’s chief scientist said manufacturers of coronavirus shots face a global shortage of the raw materials needed to churn out the inoculations.Adar Poonawalla, the chief executive officer of the Serum Institute of India Ltd. — which is licensed to produce hundreds of millions of Covid-19 vaccines from AstraZeneca Plc and Novavax Inc. — told a World Bank panel on Thursday that a U.S....WW…