Einstein, George P., and Orien L. Tulp. 2023. “The Origins and Evolution of Recent RNA Viruses: MERS, SARS, and COVID-19 and Their Impact on Human Health, Longevity, and Global Healthcare ”. New Advances in Medicine and Medical Science Vol. 4, May, 77-91. https://doi.org/10.9734/bpi/namms/v4/5855E.