19 residents of the Saratov region were infected with opisthorchiasis after eating dried fish from the Pivazvod chain. All the victims bought it in Pugachev, and Rosputerbandzor found pathogens in the dried ulcer. 35 kg of fish were removed from sale and the sale of other fish products was stopped. Parasites affect the liver, gall bladder and pancreas, up to pancreatitis and cirrhosis.