Simple, the Indian vaccine factories already have licenses to produce these vaccines but are struggling to scale up production: https://www.bbc.co.uk/news/world

Simple, the Indian vaccine factories already have licenses to produce these vaccines but are struggling to scale up production: https://www.bbc.co.uk/news/world-asia-india-55571793 https://www.bbc.co.uk/news/world-asia-india-55571793 (in part because they can't get some of the supplies needed, which maybe could be helped if the patents for those are also waived and other factories can help to make those...)