Klepikov Igor, Acute Pneumonia and COVID-19: Problems of Today, International Journal of Coronaviruses, Volume 1, Issue 1, 2020, Pages 16-18, ISSN 2692-1537, https://doi.org/10.14302/issn.2692-1537.ijcv-20-3341. (http://oap-journals.infoijcv/article/1341) Keywords: acute; pneumonia; COVID-19