COVID-19疫苗专用资源
世界卫生组织 / Michael Duff
                    
Nurse Fatmata Forna (right) and Nurse Ramatu Conteh (left) at a mobile COVID-19 vaccination clinic in Rofunta, Sierra Leone on 6 December 2022.
        Nurse Fatmata Forna (right) and Nurse Ramatu Conteh (left) at a mobile COVID-19 vaccination clinic in Rofunta, Sierra Leone on 6 December 2022.
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