Actually, according to the Mayo Clinic, COVID19 is a type of SARS.
“Coronaviruses are a family of viruses that can cause illnesses such as the common cold, severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS). In 2019, a new coronavirus was identified as the cause of a disease outbreak in China.
“The virus is now known as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The disease it causes is called coronavirus disease 2019 (COVID-19).”
https://www.mayoclinic.org/diseases-conditions/coronavirus/symptoms-causes/syc-20479963
Once you realize that then it's understandable why the research people had their concerns at the start.
“Logistic”..
SMH