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In 2025, a network of fever-watching clinics in Nigeria did what it was built for. Rising dengue cases in Edo State between January and June were spotted early, and the outbreak declared on July 4, 2025 ended on November 23, 2025 with 522 suspected and 198 confirmed cases — and no deaths. CDC credits early detection and a quick response.
That network is one piece of the work CDC has done in Nigeria since opening an office there in 2001, alongside the Ministry of Health and the Nigeria Centre for Disease Control and Prevention. CDC's stated aim is to stop outbreaks at their source, which it says also protects the United States, avoids major economic disruption and strengthens the U.S.–Nigeria partnership.
How the dengue outbreak was caught
A woman has her temperature checked by a nurse at a Nigerian health facility. Image from CDC's page on its work in Nigeria.
- Since 2022, CDC, the Nigeria CDC, state health ministries and partners have run acute febrile illness (AFI) surveillance, which tracks and investigates sudden fevers to spot outbreaks early.
- Edo State is one of six AFI sentinel sites chosen for active surveillance.
- Once the outbreak was declared, CDC helped confirm cases, improve data quality and base decisions on evidence. Its experts helped run the Emergency Operations Center, sent a rapid response team to find cases, and helped analyse line lists and write situation reports.
- CDC trained 10 laboratory staff to diagnose dengue with rapid diagnostic tests and supplied tests to two state-owned facilities outside the network.
Laboratories, surveillance and emergencies
Testing COVID-19 samples. Image from CDC's page on its work in Nigeria.
| Area | What CDC has supported |
|---|---|
| Laboratories | Testing capacity for monkeypox, yellow fever, measles, Lassa fever, cholera and cerebrospinal meningitis; 14 labs reaching and keeping ISO accreditation |
| Surveillance | Stronger national systems for COVID-19, monkeypox and acute febrile illness; tighter checks at points of entry to stop disease crossing borders |
| Global Health Security Agenda | Nigeria became a GHSA partner country in 2019; CDC works on surveillance, labs, workforce and emergency response |
| Emergency response | Strategy and hands-on help for national and state emergency operations centers, in outbreaks of monkeypox, Lassa fever, diphtheria and others; a national Public Health Emergency Contingency Plan and 16 plans for priority points of entry |
| Workforce | 1,611 epidemiologists trained through the Field Epidemiology and Laboratory Training Program, 422 responders through Public Health Emergency Management, 400 frontline immunization specialists; a Lassa Fever Clinical Management Fellowship that has trained 31 fellows, with a modest fall in deaths where they work |
HIV and TB
As a key implementer of PEPFAR, the U.S. President's Emergency Plan for AIDS Relief, CDC supports HIV testing, treatment and prevention and TB diagnosis, treatment and prevention. At the end of September 2025, CDC was providing treatment to 961,542 people living with HIV, and TB prevention to 60,116 of them, across 18 CDC-supported states. CDC also helped Nigeria build an automated biometric identification system in its National Data Repository to remove duplicate HIV records.
Vaccines, malaria and infection control
- Immunization: CDC helps strengthen immunization systems, introduce new vaccines and widen routine delivery. It led the National Vaccine-Related Events Response Plan, and is supporting an integrated measles-rubella campaign that aims to vaccinate more than 100 million children.
- Malaria: Nigeria has the most malaria cases in the world, and young children and pregnant women are hit hardest. CDC has supported prevention and control there since 2011.
- Infection prevention and control (IPC): CDC helped set up the national IPC programme and training curriculum at the Nigeria CDC, supported a surgical site infection surveillance pilot at tertiary hospitals and its scale-up, and helped pilot a national IPC monitoring tool. With the Nigeria CDC it helped create the Orange Network, 41 tertiary health facilities meant to serve as models for IPC.
Sources
Based on "CDC in Nigeria," Global Health, Centers for Disease Control and Prevention; a work of the United States government in the public domain.
Лицензия: CC0 1.0 (общественное достояние) · По материалам www.cdc.gov
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