by Joseph BOYLE with AFP bureaus Agence France Presse Health officials have rolled out more than 510 million coronavirus vaccine doses around the world, but with big gaps between countries the WHO on Friday appealed to richer nations to donate vaccines to help poorer ones start inoculations. Despite the huge effort to get jabs into arms, the pandemic is still surging in Europe and Latin America — where Brazil has now passed 300,000 deaths and […]