![]() ![]() ![]() 2003 was the first known year of SARS illness caused by coronavirus in China as acute respiratory syndrome. History provides a record of epidemics such as plague, smallpox, measles, cholera, influenza, Ebola, AIDS, severe acute respiratory syndrome (SARS) and now COVID-19 ( David, 2020). COVID-19 is a new dangerous infectious disease that causes illness in animals or humans.
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