April 15 is the International Day of Laboratory Diagnostics. This day, established by WHO, celebrates the importance of laboratories in medicine. Every day, hundreds of difficult tests help doctors make the right decisions and save patients’ lives. Laboratory research, from genetics to bacteriology, has an impact on treatment choices and disease diagnosis. The work of a laboratory specialist is not only analyzes, but also the preparation, storage and transportation of biomaterials. Thanks to all the specialists who make our world healthier!