World Health Organization Director-General Tedros Adhanom Ghebreyesus and Belgium's Minister of Development Cooperation Meryame Kitir are welcomed by Dr Imelda Jordaan, Executive of Regulatory compliance and quality for Afrigen Biologics and Vaccines, during their visit to a WHO-backed mRNA vaccine hub, in Cape Town, South Africa, February 11, 2022. REUTERS/Shelley Christians