What's behind France's AstraZeneca turnaround?

French  Macron said AstraZeneca vaccine was "almost ineffective" in the over-65s but his government has announced an apparent U-turn by approving the jab for some older people.

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It was just a month ago that French president Emmanuel Macron said the Oxford-AstraZeneca vaccine was "almost ineffective" in the over-65s, reports the BBC.