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Medical workers prepare to remove the body of a coronavirus patient who had died, in the intensive care unit of a hospital in Machakos, Kenya Friday, Aug. 20, 2021. Rich countries' decisions to roll out COVID-19 booster shots while so many people across Africa remain unvaccinated "threaten the promise of a brighter tomorrow" for the continent, the Africa director for the World Health Organization said on Thursday. (AP Photo/Brian Inganga)