BRUSSELS (Reuters) - European Union countries need to synchronise the roll-out of vaccine measures and may need additional restrictions, but should not simply close their borders to keep COVID-19 cases down, the bloc’s chief executive said on Wednesday. “The blanket closures of borders in this situation makes no sense,” European Commission President Ursula von der Leyen said in a speech to the European Parliament. “It harms the functioning of our single market and it is not as effective as targeted measures and this is why we need a common approach to test, trace, travel and borders.”