Can China stay ahead in the global vaccine diplomacy race as the US offers 80 million doses to the world?

• Washington and its fellow members of the Quad earlier this year raised expectations they would play a key role in vaccine distribution - but India’s second wave put paid to that
• China has taken the lead through its shipments of more than 265 million doses, as its tussle for influence with the US runs alongside the world’s urgent need for more inoculations