Data on annual and quarterly incidence rates of infectious diseases according to disease groups and districts. The source of the data is the Institute for Public Health of Serbia "Dr Milan Jovanović Batut". The collection of reports of infectious diseases and reports of epidemics are regulated by the Law on the Protection of the Population from Infectious Diseases (Official Gazette of the RS, No. 15/16, 68/20, 136/20), the Rulebook on Reporting of Infectious Diseases and Special Health Issues (Official Gazette of the RS, No. 44/17, 58/18).