The Soviet government claimed the cause was infected meat.
The real reason for their retreat was that constituents did not like the idea of dying from infected meat.
In rural areas there are occasional cases of brucellosis picked up from infected meat.
You can get it by eating infected meat.
The first symptoms may appear between 12 hours and two days after ingestion of infected meat.
Until that one, the 156 cases of human disease came from eating infected meat.
Further, the garbage is believed to have contained remains of infected meat which had been illegally imported to Britain.
Efforts to control the outbreak have been hampered by illicit sales of infected meat.
The cause was infected meat and bone meal in animal feed.
An epidemiological investigation can be done to determine a patient's exposure to raw infected meat.