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'Nowhere close to herd immunity, country wise or globally, says WHO chief scientist

Updated : February 22, 2021 10:28 PM IST

To expand vaccination across the world, WHO's COVAX is currently facing a $2-3 billion funding gap for the year, $22-23 billion funding gap for coming years for Access to Covid-19 Tools
'COVAX will be successful only if countries play by the rules,' says WHO's chief scientist

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