G7 must act decisively to vaccinate the world Filed on April 27, 2021 | Last updated on April 27, 2021 at 12.10 am The June G7 summit in the UK provides political leaders of the world’s richest countries an opportunity to demonstrate that solidarity. “Nobody is safe until everyone is safe” is the defining mantra of the Covid-19 era. It captures a fundamental truth. Faced with a virus that recognises no borders, no country is an island — and there is no substitute for international solidarity. The June G7 summit in the UK provides political leaders of the world’s richest countries an opportunity to demonstrate that solidarity.