The changing relationship between Cholera and interannual climate variables in Kolkata over the past century.

"historical dataset is publicly available and can be accessed in digitized from here: https://github com/debbieshack/bengal_cholera_data ."

"historical dataset is publicly available and can be accessed in digitized from here: https://github com/debbieshack/bengal_cholera_data ."

"Declarations Competing interestsThe authors declare no competing interests. Ethics approval and consent to participateAll ethical considerations and guidelines relating to the analysis of human epidemiological datasets were followed, namely full anonymization and aggregation of patient data beyond plausible identifiability. Data collection and analysis were approved by the Indian Council of Medical Research (ICMR). Consent for publicationNot applicable. Competing interests The authors declare no competing interests."

"Funding This work was supported by the EPSRC (WISE CDT; EP/L016214/1). There were no roles of the funding body in the design of the present study, collection, analysis, and interpretation of data, or in writing the manuscript."