Gennadiy N. Lepeshkin: Well, they did experimental work: they cured... dried the material, the biological material, and apparently this leakage occurred. That is one version of events. The second, first version is that there were infected animals--usually this disease is found in pigs and cows--and the meat of infected animals found its way illegally into points of sale, and the people who ingested that meat fell ill. There are several... several versions of what happened.