A person receives a dose of the Pfizer BioNTech vaccine at a vaccination centre for those aged over 18 years old at the Belmont Health Centre in Harrow, amid the coronavirus disease (COVID-19) outbreak in London, Britain, June 6, 2021. REUTERS/Henry Nicholls
A person receives a dose of the Pfizer BioNTech vaccine at a vaccination centre for those aged over 18 years old at the Belmont Health Centre in Harrow, London. Reuters

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