How much is enough? Moderna plans a 4,000% Markup for their Covid vaccine. This vaccine isn’t just Moderna’s; it was developed in collaboration with a government agency. “The sheer greed is obscene,” said PVA policy co-lead Julia Kosgei, who stressed that “billions of taxpayer dollars went into the development of mRNA vaccines.” Moderna‚Äôs vaccine would not exist without funding from U.S. taxpayers.