"If we assume global herd immunity requires 2 doses of vaccine for 75 % of the world’s 6bn adults, some

"If we assume global herd immunity requires 2 doses of vaccine for 75 % of the world’s 6bn adults, some 9bn doses need to be delivered. As only about 450m have been delivered so far, the chances of 9bn jabs being administered by the end of 2022 look small”
ft.com/content/cf2d5a… https://t.co/BhXV247iW0

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