The package contains data on blood donations carried out, which are stored in the Register of Blood Donors of the Institute of Hygiene. The dataset consists of three tables: 1. Data of persons wishing to donate blood or blood components (updated daily); 2. Successful blood donation visits (updated daily); 3. Unsuccessful blood donation visits (updated on 1 March each year); 4. Monthly statistics on blood donation visits (updated on 15 th of each month). Data provider – Hygiene Institute. Data shall be collected from 1 April 2012.