Around 17 years before Covid-19 and what is termed “SARS-CoV-2” there was SARS or SARS-CoV-1. But where did SARS go? And how does it relate to Covid-19? References:1. SARS – Wikipedia: https://en.wikipedia.org/wiki/Severe_acute_respiratory_syndrome2. New York Times May 15, 2005: https://web.archive.org/web/20200128045809/https://www.nytimes.com/2005/05/15/health/after-its-epidemic-arrival-sars-vanishes.html3. WHO SARS outbreak contained from Wayback Machine (Original Link removed):https://web.archive.org/web/20210122012738/https://www.who.int/mediacentre/news/releases/2003/pr56/en/4. SARS diagnosis: https://www.who.int/health-topics/severe-acute-respiratory-syndrome#tab=tab_25. New York Times May 6, 2003: https://web.archive.org/web/20171226211550/https://www.nytimes.com/2003/05/06/science/the-doctor-s-world-lessons-of-aids-applied-to-sars.html6.