The grippes are spread by air way, talking, sneezing or cough. The disease starts acutely, the patient has a severe fit of shivering, runs temperature about 39-40 Cо and breaks into perspiration. Te patient feels feebleness and pain in the eyes, muscles and joints. The inflammation of respiratory organs provokes a cough. The mucosa of the rhino pharynx is haemorrhaged in dots. Sometimes patients expectorate sputum admitted with blood. Three to four days after, the temperature becomes normal and inflammatory symptoms disappear.