“It (COVID-19) is a close relative to SARS and MERS but not genetically identical.”
Paul Kellam (2020) cited in " Coronavirus: Virologist reveals the science behind fight to find vaccine for global outbreak https://news.sky.com/story/coronavirus-virologist-reveals-the-science-behind-fight-to-find-vaccine-for-global-outbreak-11922559" on Sky News, 31 January 2020.