He was infected with anthrax after slaughtering a sick cow and preparing sausages in a village near Varna city.
The Regional Health Inspectorate in Varna has identified 26 people who were in contact with the ill cow or who handled or consumed the meat.
The European Centre for Disease Prevention and Control (ECDC) said it does not consider there to be any remaining risk for the EU with regards to this case.
However, anthrax-contaminated meat has been found in stores in Varna and Dobrich (Northeast Bulgaria), according to the Bulgarian news agency, quoting Tsvetomir Petrov, Varna deputy regional governor.
It said an investigation found infected meat and parts from the animal's carcass had been sold, resold and processed in a few locations.