The Latest: EU plans Pfizer vaccine contract extension

BRUSSELS — The head of the European Union’s executive arm has announced plans for a major contract extension for COVID-19 vaccines with Pfizer stretching to 2023.European Commission President Ursula von der Leyen said Wednesday that the EU will start negotiating to buy 1.8 billion doses of the Pfizer vaccine through 2023. Pfizer has been a mainstay of the EU’s vaccination drive so far.Von der Leyen expressed full confidence in the technology used for the Pfizer vaccine, which i