He says that if they fail to contain the virus in time, it could even threaten the unique and extremely valuable Hungarian grey cattle (szürkemarha) population. "There is nothing else you can do ...

Deers, Hungarian grey cattle, asps, catfish, bee-eaters, hooded crows appear in the movie, as well as places like the backwaters of the Tisza River, the Danube and its tributaries, the Hortobágy ...