Before revision: We have collected a large set of 377 publicly available complete genome sequences of the COVID-19 virus, the previously known flu-causing coronaviruses , HCov-229E, HCov-OC43, HCov-NL63 and HCov-HKU1 , and the deadly pathogenic P3/P4 viruses, SARS, MERS, Victoria, Lassa, Yamagata, Ebola, and Dengue.
After revision: Today, we are all threatened by an unprecedented pandemic: COVID-19. How different is it from other coronaviruses? Will it be attenuated or become more virulent? Which animals may be its original host? In this study, we analyzed 377 publicly available complete genome sequences of the COVID-19 virus, the previously known flu-causing coronaviruses , HCov-229E, HCov-OC43, HCov-NL63 and HCov-HKU1 , and the deadly pathogenic P3/P4 viruses, SARS, MERS, Victoria, Lassa, Yamagata, Ebola, and Dengue.