The nationwide COVID-19 vaccination drive will be launched by Prime Minister Narendra Modi at 10:30 am today, setting off India on the path towards overcoming the pandemic that has upended lives, ravaged the economy and unleashed unprecedented suffering over the last 12 months. One of the world's biggest vaccination programmes aimed at inoculating 3 crore health and other frontline workers first, it will use shots manufactured in India - one developed by Oxford University and AstraZeneca, the other by Bharat Biotech with the country's top clinical research body.