As the Covid-19 pandemic spreads and case numbers soar in India, a vaccine is keenly awaited.
Serum, an Indian-based company that has made billions of doses of vaccines in the past, is hoping to roll out a vaccine soon, its CEO Adar Poonawalla told the BBC.
This video was filmed before the clinical trials for a vaccine developed by AstraZeneca and Oxford University were put on hold. Serum is a partner in mass producing it.
(Source: BBC News YouTube channel)