[Protective vaccinations in prevention of acute infectious diseases in Poland in 1918-1923].

The aim of the paper is to demonstrate the role of protective vaccinations, including obligatory ones and the so called vaccinations in emergency, in control of infectious diseases in the years 1918-1923. The legal regulations of protective vaccinations the supply of vaccines and the organization and performance of obligatory vaccinations against smallpox, typhoid fever, paratyphus A and B, and Asiatic cholera made possible, together with other preventive measures, to restrict and eradicate foci of infections.