This phase I/II study's primary objective was to learn about the safety of the vaccine, and about whether it causes an immune response. I'm no expert, but I expect the phase III trials in the US and India will include a broader population.
Ah, thanks for clarifying that you participated in phase 1/2, I had not gotten this from skimming through the document, that makes a lot more sense to me. Thanks for sharing!
It is mentioned up top, but I had to search for it.