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Overview
Since the last multi-country cholera situation report published on 2 November 2023 (including data up to 15 October), no additional countries have reported new cholera or acute watery diarrhoea outbreaks as of 15 November 2023. However, new outbreaks have been reported within affected countries. In total, 29 countries have reported cases since 1 January 2023. The WHO African Region is the most impacted, with 16 countries reporting cases since the beginning of the year.
Preliminary 2023 data from Member States indicate that the number of cases reported this year as of 15 November has surpassed that of 2022, with over 610 000 cases and 3500 deaths, corresponding to a case fatality rate (CFR) of 0.6%. This finding must be interpreted with caution given that 2023 data are not directly comparable to the more comprehensive official reports to WHO from previous years.
Given the extensive number of outbreaks, their widespread distribution, and the current shortage of vaccines and other resources, WHO continues to assess the risk at the global level as very high.
Cholera upsurge (2021 - present): https://www.who.int/emergencies/situations/cholera-upsurge/