Abstract
Novel coronavirus infection is a disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and was named coronavirus disease 2019 (COVID-19) by the World Health Organization on January 7, 2020. The disease spread rapidly throughout China, and has now become a global pandemic. During the first 3 months of 2020, new major epidemic foci of (COVID-19) have been identified and are rapidly expanding in Europe, North America, Asia, and the Middle East, with the first confirmed cases identified more recently in developing African and Latin American nations.
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