The Serum Institute of India has stockpiled 40 mn-50 mn doses and is adding more every week. Most of these will come to India.
The Oxford vaccine, which also has a tie-up with the Serum Institute of India, is expected to win approval in the UK before Thursday, speeding up the provision of the jab to the most vulnerable groups.
The UK's National Health Service was already lining up thousands of medics and volunteers to be ready to deliver jabs up and down the country.
However, in two different dose regimens, the vaccine's efficacy was 90 per cent in one and 62 per cent in the other.
Adar Poonawalla says it took a five-minute chat with his father Cyrus before making the decision to manufacture Covishield. The bet paid off, and handsomely. Serum Institute now has the capacity to make 4 billion doses of Covishield annually.
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