The similarities found between SARS-CoV-2 and SARS-CoV, MERS-CoV, or human immunodeficiency viruses (HIV) can enhance the development of potential therapeutic approaches and advance the understanding of the virus mechanism of action -
I have signed dozens of death certificates after patients died of Covid-19, and I have also signed death certificates of patients who did not have Covid. Never — not even once — did I think about putting down Covid-19 as a cause of death