@article{Igor202114 title = "COVID-19 Pandemic: The Causative Agent is New, The Problem is Old", journal = "International Journal of Coronaviruses", volume = "3", number = "1", pages = "14 - 19", year = "2021", note = "", issn = "2692-1537", doi = "https://doi.org/10.14302/issn.2692-1537.ijcv-21-3626", url = "https://openaccesspub.orgijcv/article/1651", author = "Klepikov Igor", keywords = "pneumonia", keywords = "COVID-19", keywords = "pathogenesis", keywords = "SARS-CoV-2" }