The head of the World Health Organization (WHO), Tedros Adhanom Ghebreyesus, on Wednesday urged countries to hold off on giving booster shots until at least a tenth of the population in all nations is vaccinated against COVID-19.
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Deutsche Welle: WHO urges delaying booster shots
BETHESDA, MARYLAND - DECEMBER 14: HN Milan Torres prepares a dose of COVID-19 vaccine at the Walter Reed National Military Medical Center on December 14, 2020 in Bethesda, Maryland. Acting Secretary of Defense Christopher Miller received his first shot of the Pfizer-BioNTech COVID-19 vaccine, as the biggest vaccination campaign in U.S. history kicked off in an effort to get protection against the COVID-19 pandemic. Manuel Balce Ceneta-Pool/Getty Images/AFP
