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Chad - Diphtheria outbreak 2025
- Thread starter Pathfinder
- Start date
Pathfinder
Editor, Senior Moderator
Diphtheria - African Region (AFRO)
21 November 2025
...
Summary of individual country situations from 1 January to 2 November 2025
...
Chad
From 1 January to 2 November 2025, Chad reported 4 462 suspected diphtheria cases and 47 deaths (CFR 1.1%), with only four laboratory-confirmed cases. The significant amount of suspected diphtheria cases compared to the limited number of laboratory-confirmed cases highlights the challenge in the country to obtain a laboratory-confirmed diagnosis. The outbreak affects 27 out of 215 health districts across 7 of 23 provincial health delegations, with active transmission ongoing in three regions. Most cases are among children aged 3–13 years, and vaccination status is unknown for the vast majority. Chad faces a complex humanitarian crisis marked by conflict, displacement, and food insecurity. The country hosts over 1.4 million refugees, including more than 870 000 Sudanese refugees and 300 000 Chadian returnees. The health system is overwhelmed, and multiple infectious disease outbreaks, including yellow fever, measles, cholera, and hepatitis E, are occurring simultaneously. WHO, UNICEF, and MSF are supporting response efforts, but challenges include delayed reporting, insufficient case management kits, and logistical constraints. A request has been submitted to Gavi for vaccine supply and operational funding for mass immunization campaigns. According to WUENIC, the DTP coverage in 2024 was 84% for the first dose and 68% for the third dose.
...
https://www.who.int/emergencies/disease-outbreak-news/item/DON588
21 November 2025
...
Summary of individual country situations from 1 January to 2 November 2025
...
Chad
From 1 January to 2 November 2025, Chad reported 4 462 suspected diphtheria cases and 47 deaths (CFR 1.1%), with only four laboratory-confirmed cases. The significant amount of suspected diphtheria cases compared to the limited number of laboratory-confirmed cases highlights the challenge in the country to obtain a laboratory-confirmed diagnosis. The outbreak affects 27 out of 215 health districts across 7 of 23 provincial health delegations, with active transmission ongoing in three regions. Most cases are among children aged 3–13 years, and vaccination status is unknown for the vast majority. Chad faces a complex humanitarian crisis marked by conflict, displacement, and food insecurity. The country hosts over 1.4 million refugees, including more than 870 000 Sudanese refugees and 300 000 Chadian returnees. The health system is overwhelmed, and multiple infectious disease outbreaks, including yellow fever, measles, cholera, and hepatitis E, are occurring simultaneously. WHO, UNICEF, and MSF are supporting response efforts, but challenges include delayed reporting, insufficient case management kits, and logistical constraints. A request has been submitted to Gavi for vaccine supply and operational funding for mass immunization campaigns. According to WUENIC, the DTP coverage in 2024 was 84% for the first dose and 68% for the third dose.
...
https://www.who.int/emergencies/disease-outbreak-news/item/DON588