Having analyzed the latest recommendations of the World Health Organization, the new data from the scientific literature, and current treatment guidelines, the latest epidemiological data of identified different cases of this infection according to epidemiological and clinical criteria were presented. The main pathogenetic signs, risk factors, including inter-individual differences, which can be represented by the host's genetic profile, are highlighted. The main clinical signs and their distribution, classification according to the severity of the disease, features of the course and treatment of pneumonia in human coronavirus infections are shown, including indications for antibacterial therapy and the main criteria of oxygen support.
The basic WHO laboratory recommendations for patients with acute respiratory infection who have been in contact with patients having a confirmed or probable case are defined. The main hardware methods of diagnosis, modern approaches in the therapy in the absence of specific antiviral agents are presented. The lack of definitive specific treatment for this disease and the future development of such a pandemic remains unpredictable that indicates the need for strict adherence to classic public health recommendations, the importance of vaccination. The outbreak of COVID-19 in this century once again had emphasized the constant threat of infectious diseases spread by pathogenic viruses among humanity and this requires effective global cooperation and a high level of preparedness.