On February 11, 2020, the World Health Organization announced an official name for the disease: coronavirus disease 2019, abbreviated COVID-19. ‘CO’ stands for ‘corona,’ ‘VI’ for ‘virus,’ and ‘D’ for disease. The virus that causes COVID-19, SARS-CoV-2, is a coronavirus. The word corona means crown and refers to the appearance that coronaviruses get from the spike proteins sticking out of them.