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COVID testing led to new techniques of disease diagnosis: progress mustn’t stop now

By Angelika Loots, Postdoctoral Fellow, University of Pretoria
In March 2020, weeks before the World Health Organization (WHO) declared COVID-19 a pandemic, its director-general Tedros Adhanom Ghebreyesus delivered a speech in which he emphasised the importance of testing:

… the most effective way to prevent infections and save lives is breaking the chains of transmission. And to do that, you must test and isolate. You cannot fight a fire blindfolded. And we cannot…The Conversation

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