Vaccination in the Perm province at the turn of the 19th and 20th centuries

The article raises key issues of smallpox vaccination using the example of the Irbit Historical and Ethnographic Museum’s exhibition based on data from the Perm Province at the turn of the 19th and 20th centuries. The authors address the effectiveness of smallpox vaccination, provide statistical data on the topic, and conclude that the effectiveness of smallpox vaccination methods increased by the early 20th century.