Abstract

Cholera is an ancient disease which had disappeared from most of the developed countries in the last 50 years, but still persists in many parts of the world with serious epidemics most often localized in tropical areas. This highly contagious disease is due to the bacteria Vibrio cholerae, after ingestion of contaminated water or seafood. We examine the interannual variability of cholera dynamics in five countries in the Equatorial Atlantic Coast (Gulf of Guinea) associated with climate and ocean variability. We also use remote sensing data to characterize the environmental signatures associated with cholera epidemics in Kolkata (India) and Matlab (Bangladesh). Finally, we study the presence of Vibrio cholerae in the Chesapeake Bay with the goal of providing real-time and short-term seasonal forecasts of their likelihood of occurrence.

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