Coaxin is a transitional vaccine already approved in India (I took it). But yes they haven’t got EUA in US and WHO still hasn’t approved it yet.

I too see some corporate competitive politics behind Novavax - Serum Institute of India (SII), one of the largest manufacturer of vaccines in the world, had been licensed to manufacture Novavax in India last year, but apparently the US administration held it up by preventing exports of the raw material with their "US first" policy. That's kind of understandable, but even in the US, I don't think Novavax is so easily available (or perhaps it is but the US media is excessively giving attention to only the mRNA vaccines from Pfizer and Moderna?). Even recently, SII said they are in talks to start production of Novavax this year, but it's still not available. It's not clear what is going on behind the scene with this particular vaccine.

The company started with zero manufacturing capacity. It’s now slated for fourth quarter in the US but earlier for Europe. I wish they would have been able to partner with big pharma much like the Pfizer vaccine.

That explains why they have a tie-up with one of the largest manufacturer of vaccines in the world (SII), but the delay still seems to be political (either diplomatic or because of lobbying or both). According to a recent statement by SII MD, Novavax apparently still hasn't got the full approval from US FDA - https://youtu.be/Y8xw-NO1QA0?t=15 . Meanwhile there are other reports that SII has started to test the Novavax vaccine in India (which they plan to distribute under the brand name "Covovax" after approval).