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Clarification of local SARS prevention methods Temporary guidelines for the prevention, diagnosis and treatment of new coronavirus infection (COVID-19), published by the Ministry of Health of Russia, contain information on the possibility of using an isotonic solution of sodium chloride as a method for preventing infection with coronavirus infection. In connection with the appeals of the media, the Ministry of Health of Russia clarifies. When acute respiratory viral infections (ARVI) occur, as a rule, the mucous membrane of the nose and throat is affected. This is manifested in the form of nasal congestion, perturbation and sore throat and is called rhinitis and pharyngitis, respectively. Coronavirus infection refers to ARVI, so approaches to prevention and symptomatic treatment are similar. A standard approach to the prevention and local treatment of rhinitis and pharyngitis is the use of an isotonic solution of sodium chloride (sometimes called "saline," often it is ma