Search COVID-19: Boris Johnson to call on G7 to vaccinate world against coronavirus by end of next year Boris Johnson is planning to use the UK's presidency of the group to push for global vaccination coverage within the next 18 months. When he meets fellow G7 leaders face-to-face on Friday - including President Joe Biden for the first time since his election win - Mr Johnson will call on them to "rise to the greatest challenge of the post-war era" to stop the coronavirus pandemic, which has infected at least 172 million people and killed more than 3.7 million worldwide. Mr Johnson said: "The world is looking to us to rise to the greatest challenge of the post-war era: defeating