Fig. 3
From: Temperate climate malaria in nineteenth century Denmark
Association between the 1873 epidemic and the 1872 storm surge. Annual malaria incidence per 1000 population for medical districts in Lolland and Falster (part of Lolland-Falster medical region) and the rest of Denmark for 1862–1880. The highest incidence of the 1873 outbreak was observed in Falster, which had the most severe flooding