COVID-19 is an infectious disease caused by an RNA virus with a crown-like appearance and grouped into the family Coronaviridae. Seven coronaviruses capable of infecting humans have been identified. The alpha (229E, NL63) and beta (OC43, HKU1) are associated with mild respiratory diseases. However, the other types (MERS-CoV, SARS-CoV, and SARS-CoV-2) can cause a severe acute respiratory syndrome. Most COVID-19 patients experience fever, fatigue, cough, and difficulty in breathing. Other symptoms have been observed as a loss of taste and/or smell, muscle aches, sore throat, headache, nausea, and diarrhea (CDC, 2020).
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