SARS, like COVID-19 ("Wuhan coronavirus"), originated in China. Swine Flu a.k.a. H1N1 is thought to have originated in Mexico tho I don't believe that's definitively determined yet. MERS literally stands for "Middle East Respiratory Syndrome" & was first reported in Saudi Arabia. https://t.co/iS16ntNMYy

— Jerry Dunleavy 🇺🇸 (@JerryDunleavy) March 18, 2020