Chad: recent disease outbreaks
Sources checked
Recent reports
Cholera — Lac province, N’Djamena, Hadjer‑Lamis and Chari‑Baguirmi (ongoing)
A cholera epidemic declared by the Ministry of Health in late July 2026 remains active and concentrated in the Lac province but has spread to districts in N’Djamena, Hadjer‑Lamis and Chari‑Baguirmi. National surveillance data published by WHO show the outbreak updated to 1,329 cumulative cases and 58 deaths (data current to 1 Oct 2026), with active response teams, oral cholera vaccination rounds and intensified water, sanitation and case‑management activities in affected zones. WHO weekly bulletin (SE40, 19 Oct 2026) and earlier WHO sitreps document the outbreak and vaccination activities. WHO cholera sitreps (Chad).
Ebola (Bundibugyo) — regional importation risk; Chad strengthens surveillance at points of entry (23 Oct 2026)
On 20 Oct 2026 WHO reported an imported case of Ebola (Bundibugyo virus) in Nigeria; regional spread has prompted neighboring countries to step up preparedness. Chad’s Ministry of Health announced on 23 Oct 2026 that it has reinforced surveillance, alert and response measures (activation of the public health emergency operations centre, checks at priority points of entry, rapid‑response teams and community reporting), while stressing that no Ebola case had been detected in Chad at the time of the communiqué. Travelers should note the heightened surveillance and follow official advice if they develop compatible symptoms after travel. WHO Disease Outbreak News — Ebola (20–23 Oct 2026) and the Chad Ministry communiqué reported by national media. Tchadinfos report quoting the 23 Oct 2026 communiqué.
Measles — multiple districts with increased activity (reported week ending 4 Oct 2026)
WHO’s integrated weekly bulletin for Chad reports a recent increase in suspected and laboratory‑investigated measles: 1,549 investigations with 601 IgM‑positive results and 61 districts reaching an epidemic threshold during the period covered by week 40 (28 Sep–4 Oct 2026). This represents ongoing transmission in many districts and is particularly relevant for unvaccinated travelers and children. WHO weekly bulletin (SE40, 19 Oct 2026). The U.S. CDC advises that all international travelers be fully vaccinated against measles (MMR). CDC — Chad travel health.
Poliovirus (cVDPV2/cVDPV3 detections) — national surveillance signals in 2026
Chad’s surveillance has recorded circulating vaccine‑derived poliovirus (cVDPV) detections in 2026 (reported as 8 human cVDPV2 cases and 1 cVDPV3 case in the WHO weekly bulletin), and environmental detections have been documented; national polio surveillance and vaccination responses are ongoing. WHO weekly bulletin (SE40, 19 Oct 2026). Some countries routinely require proof of recent polio vaccination for travelers arriving from or departing to countries with poliovirus circulation; travelers should check exit/entry rules and confirm routine polio vaccination before travel. UK NaTHNaC / TravelHealthPro — Chad.
Yellow fever signals and vaccination requirement — suspected cases reported; proof of vaccination required by entry rules
WHO’s week‑40 bulletin notes signals for yellow fever (960 suspected cases of which some were presumptive positives and a small number of deaths reported in surveillance), highlighting the need to investigate and respond in affected districts. WHO weekly bulletin (SE40, 19 Oct 2026). Under the International Health Regulations and national entry rules, many countries (and travellers to Chad arriving from countries at risk) must carry proof of yellow fever vaccination; official lists and country requirements are maintained by WHO and national authorities. WHO — countries with risk of yellow fever transmission (IHR list) and national travel guidance such as the U.S. Department of State travel page note vaccination requirements. U.S. Dept. of State — Chad travel advisory.
Dengue — local transmission reported (2026 situation reports)
WHO materials and a specific WHO dengue situation report for Chad in 2026 indicate local dengue activity and coordinated response actions; WHO’s integrated bulletin lists dengue among current epidemic‑prone events in Chad and links to the dengue situation report. Travelers to areas with mosquito transmission should take mosquito‑bite prevention measures. WHO weekly bulletin (SE40, 19 Oct 2026).
These items reflect official situation reports and public health bulletins published or updated during the 90‑day review window ending 27 October 2026. Situations can change quickly; travelers should consult the cited national and WHO sources above and their own public‑health or travel clinic for current entry requirements, recommended vaccinations and up‑to‑date travel‑health advice before departure.