Covid-19 vaccinations on "the same day" in a sign of unity, European Commission chief Ursula von der Leyen said Wednesday.Her statement to the European Parliament came as pressure mounted on the bloc to catch up with the United States and Britain, which have already started inoculating people with a vaccine made by Pfizer and BioNTech.Also Read | How rural schooling is going into the dark"To get to the end of the pandemic, we will need up to 70 percent of the population vaccinated.