The fact that the resource in question is a secret recipe is just astounding. If all of humanity worked to end this collectively, we would all be immensely better off. There shouldn't be moral questions about getting a third dose or sending it to countries without supply.
The reason for this is astounding and unbelievable profit based on decades of US federal research funding.
Moderna's most recent financial results: "Total revenue was $6.3 billion for the six months ended June 30, 2021, compared to $75 million for the same period in 2020"
https://investors.modernatx.com/news-releases/news-release-d....