Coronavirus Disease 2019’, or COVID-19, which is caused by the Severe Acute Respiratory Syndrome Coronavirus 2
(SARS-CoV-2), has become a major threat to public health since the initial outbreak in China in December 2019. By
20 February 2021, more than 110 million infections and 2.45 million deaths associated with COVID-19 had been
reported worldwide, with more than 1.5 million infections and 48 940 deaths having occurred in South Africa…

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