 Odessa's lobbyists tried to revenge and persuaded the tsar to keep the Azov Sea closed even after the epidemic was over.In 1815, the prices for wheat went up abroad, the price for wheat in Odessa was 50 rubles for a quarter (=209.91 liters), while in Taganrog it was 18.Foreign ships could not get enough wheat in Odessa and Feodosiya due to a large shortage, and this encouraged Governor Pyotr Papkov to let the ships go through the Kerch Straight into Azov Sea.