India, a vaccine manufacturing hub, is in the thick of the action as the global pharma industry races to find a cure or vaccine for Covid-19. Serum Institute of India (SII) is one Indian manufacturer that is developing a vaccine and is hopeful of a successful partnership with researchers in Oxford University. But its optimism is guarded, given the uncertainties involved in the various stages of vaccine trials. The Pune-based company also plans to start trials on people to assess whether the Bacille Calmette-Guérin (BCG) vaccine for tuberculosis can also protect against the Covid-19 virus. It has also collaborated with

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