Introduction The virus that causes COVID-19 (coronavirus disease 2019) is just o
Introduction The virus that causes COVID-19 (coronavirus disease 2019) is just one member of the coronavirus family of viruses, and not the first to have caused a pandemic. In 2003, another coronavirus caused a pandemic of a disease called SARS (severe acute respiratory syndrome) that resulted in about 770 deaths in 29 countries (none in … Read more