but travel bans, which france has also introduced and scuppered british getaways, won t work, according to the world health organization. it argues specific local measures, such as those introduced in spain and italy today on face coverings, are much better. as ever, the politics of the pandemic can take some navigating. as the last minute shoppers venture out, the general message from europe s leaders we wish you a cautious christmas and a reined in new year. nick beake, bbc news, brussels. as countries across europe discuss lockdowns and booster shots, many people across the world are struggling to get even their first shot of a coronavirus vaccine. yesterday, the head of the world health organization called for vaccines to be shared more equally. he warned that prioritising booster programmes in wealthy nations would more likely prolong this