More than 1.6 million adults took part in the fourth stage of the Sanprosbant lecture hall from October 12 to 23, almost 15 thousand lectures were held across the country. Events were held at the sites of social and leisure institutions, as well as at universities of the "third age". More than 1.6 million people participated. Experts from Rospotrebnadzor told the participants about how to maintain health, the importance of vaccination and measures to prevent influenza and SARS. Following simple rules helps maintain an active lifespan and the quality of everyday life of older people. Among the leaders in the coverage of the events are St. Petersburg, Leningrad region, Moscow, Moscow region, Stavropol region. The lecture is carried out as part of the communication strategy "Sanprosvet" of the federal project "State sanitary protection - safety for health (prevention, detection, response). Its purpose is to raise citizens' awareness of the tools to prevent infectious diseases and to strengthen public consciousness and a sense of responsibility for their health and the health of others. In just four stages, more than 59,600 lectures were held, with the participation of approximately 5.4 million people across Russia. In November 2026, a new educational module for young people is planned.