Covid-19 live updates: G-7 should shoulder cost of vaccinating low-income countries, say former leaders

The letter, seen by the Guardian, is directed at the leaders of the Group of Seven nations, the world’s top economies, ahead of their in-person summit in Britain. The signatories, which include former British prime ministers Tony Blair and Gordon Brown, described covering two-thirds of the cost of vaccinating as “the best insurance policy in the world.”