Global vaccine scheme unveils country-by-country plans to distribute 330m jabs by July Experts say the framework marks a 'critical moment' for efforts to balance a growing disparity in vaccine roll outs worldwide 3 February 2021 • 6:24pm People work inside the Unicef warehouse, the world's largest humanitarian aid warehouse, in Copenhagen - where the groundwork is being laid for the Covax initiative. Credit: AP A UN-backed scheme has unveiled detailed plans to distribute more than 330 million jabs to 145 nations in the first half of 2021, in what has been described as a “critical moment” for efforts to ramp up vaccinations across lower income countries.