Klepikov Igor, COVID-19 Pandemic: The Causative Agent is New, The Problem is Old, International Journal of Coronaviruses, Volume 3, Issue 1, 2021, Pages 14-19, ISSN 2692-1537, https://doi.org/10.14302/issn.2692-1537.ijcv-21-3626.
(http://oap-bioscience.orgijcv/article/1651)
Keywords: pneumonia; COVID-19; pathogenesis; SARS-CoV-2