Fervid hopes invested in the quick rollout of a Covid-19 vaccine have been boosted now that the Bill and Melinda Gates Foundation has provided Pune-based Serum Institute $150 million “at-risk funds” to manufacture the vaccine being developed in collaboration with the University of Oxford, Astra-Zeneca and Novavax, a front-runner in the global Covid-19 vaccine race. That tops up the $200 million of capital that Adar Poonawalla is sinking into this venture. The vaccine is expected to inject recovery into a stalled global economy. Doubts linger about India, though, where a steadily decelerating pre-Covid-19 economy compounded the crisis of an ill-considered