World Health Organization (WHO) Director-General, Dr Tedros Ghebreyesus, says that the development and approval of several vaccines within a year of the COVID-19 pandemic onset, is an extraordinary scientific triumph that sets a new standard. He's in South Africa, and visited the MRNA vaccine technology transfer hub in Cape Town.
Dr Ghebreyesus hailed the positive impact that vaccines have had, but lamented vaccine inequity.
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