Cart is empty 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 emphasized the importance of testing:
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 emphasized the importance of testing:
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