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. 2002 Sep 12;99(20):12901–12906. doi: 10.1073/pnas.182203999

Figure 1.

Figure 1

(Upper) Standardized SOI series for the past (1893–1940) and present (1980–2001) periods. Values between 1940 and 1980 are not shown in accordance with the period with no cholera data. (Lower) Total cholera deaths (mortality) in Dhaka (Bangladesh) for the historical period 1893–1940, and percentage of cholera cases (cholera morbidity) in the same region for the present period (1980–2001). Scale at left is in mortality per 1,000 individuals and scale at right refers to percentages (see Methods and Data).