The basic methods of preventive maintenance are: restriction of mass events visiting, revelation of patients in collective and timely treatment, hands washing. Efficiency of diseases’ treatment depends on beginning of treatment in time, keeping of regimen recommended by the doctor and the correct medicines’ therapy. Lecture on ARVI and flu treatment is accessible to doctors on the first medical channel. Everybody can see it to the address: http://www.1med.tv/archive/lektsii/gripp-i-orv.html.