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The first cases of COVID-19 pneumonia were identified in Wuhan City, China, in December 2019. In January 2020, a novel coronavirus, known as SARS-CoV-2, was identified as the cause of this outbreak. The virus, and the human disease it causes, have evolved into a global pandemic. As of April 29, 2020, according to the World Health Organization, cases have been confirmed in 213 countries, areas, or territories, with 3,090,445 confirmed cases so far, and 217,769 confirmed deaths [1].
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Samson Chama (2020) studied this question.
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