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José Manuel Barroso, chair of Gavi, The Vaccine Alliance, is having a hard time these days convincing donors to cough up cash for 600 million vaccine doses to serve as a "buffer" for the next COVID wave.

But he's not surprised. Why? Because many people already think the pandemic is over. And for that, he credits Russian President Vladimir Putin, who has diverted global attention away from COVID with his invasion of Ukraine.