Chad
The Chad Ministry of Health (MOH) declared an outbreak of cholera in Chokoyane health district, Ouaddai province on July 24.
The outbreak was confirmed following three of nine samples testing positive for Vibrio cholerae O1 Ogawa by culture, at the national reference laboratory.
Cumulatively, 77 cases (3 confirmed; 74 suspected) and four deaths (CFR: 5.19%) have been reported from one of twenty-three provinces in Chad.
The last confirmed cholera outbreak in Chad was reported in 2021 with 92 cases and 12 deaths (CFR: 12%) in Ouaddai province.
Republic of Congo
On 26 July 2025, the Ministry of Health (MoH) of the Republic of Congo declared an outbreak of cholera in Sinoa village, Ile-Mbamou health district, Brazzaville department.
The outbreak was confirmed following the three laboratory samples tested testing positive for Vibrio cholerae O1 Ogawa serotype at the National Public Health Laboratory in Brazzaville.
Cumulatively, a total of 187 suspected cases, 21 probable cases, including 6 confirmed and 21 deaths (CFR: 11.2%), were reported from two departments: Brazzaville and Congo-Oubangui.
The most affected health district remains lle-Mbamou, which registered all confirmed cases. The last major cholera outbreak in Congo was in 2023, with 724 cases and 14 deaths (CFR: 1.93%).
Africa
Since the beginning of 2025, a total of 206,789 cases (6,871 confirmed; 68 probable; 199,850 suspected) and 4,330 deaths (CFR: 2.09%) of cholera have been reported from 23 African Union Member States.