secretary-general antonio gutierrez made the request to the group of 20 economies in a letter released tuesday. he said about $28 billion is still needed to setup a global system under the world health organization. such a system would aim to ensure equitable access to covid-19 vaccines and treatment. he said it was up to the g-20 economies to come up with the money. gutierrez welcomed their recent agreement to extend debt relief for poor countries by six months until the end of june next year. but he said more relief will be needed and asked for a further extension. the g-20 plans to hold an online summit this saturday and sunday. u.s. president-elect joe biden has chosen more close confidants to round out his incoming staff. it's the latest move in efforts to transition to power without a concession from president donald trump. biden is pulling staff from his campaign team and reaching back into his political history. he said he wants a diverse team. jen o'malley dillon who managed his presidential bid will be his deputy chief of staff and also selecting cedric richmond as a senior a