To be clear, this is not great news for India. The Pfizer/BionTech vaccine uses messenger RNA tech - and so will have to be stored at -70 degrees Celsius in its supply chain. Almost impossible in India, as of now https://twitter.com/mihirssharma/status/1325766954997542913
Vaccine refrigeration is a problem not just for India, but the entire emerging world. We need masses of investment in cold chains for a vaccine to end this pandemic. I discussed the problem (and solutions) in the PaperClip podcast here: https://open.spotify.com/episode/29R0Z36k2EtxXINfs3rGCm?si=8vQEQc31SWCjt0fKQndg4g
Some people are talking about 100s of thousands vaccinated in the DR Congo against ebola during civil strife. It was a major effort. And this (Gates-funded) innovation was crucial. The very cool (literally) Arktek https://www.wired.com/story/the-wild-logistical-ride-of-the-ebola-vaccines-high-tech-thermos/