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Not perfect, but saves lives, AstraZeneca says of COVID-19 vaccine
COVID-19 vaccine is not perfect, but will have a big impact on the pandemic, its chief executive predicted on Thursday, as the drugmaker pledged to double supplies to more than 200 million doses per month by April.The two-dose shot, developed with Oxford University, has been hailed as a "vaccine for the world" because it is cheaper and easier to distribute than some rivals.But its rapid approval in Europe and elsewhere has been clouded by doubts over its most effective dosage and interval between doses.Data at the weekend also showed it was less effective against a fast-spreading South African variant of the virus, and the company has been embroiled in a row with the European Union over supply delays."Is it perfect? No it's not perfect, but