The deployment of booster shots, mostly in wealthy countries, comes as many people in lower-income countries are still waiting for their first doses. Six times more boosters are being administered globally than first doses in low-income countries, the director general of the World Health Organization, Tedros Adhanom Ghebreyesus, said Friday, calling the lopsided rollouts “a scandal that must stop now.”
Countries around the world are debating coronavirus booster shots. Here’s where they’ve been approved.
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