A quarter of the European Union’s population have received at least one COVID-19 vaccine jab, prompting EU chief Ursula von der Leyen to say the bloc is on track to have 70 percent of adults immunised by late July.

A quarter of the European Union’s population have received at least one COVID-19 vaccine jab, prompting EU chief Ursula von der Leyen to say the bloc is on track to have 70 percent of adults immunised by late July.