Implementation of the 7-1-7 Framework through an Early Action Review of a Cholera Outbreak in Migori County, Kenya

Background Cholera remains a persistent public health threat in Kenya, exacerbated by inadequate water and sanitation infrastructure, cross-border mobility, and under-resourced health systems. On 12 February 2025, Migori County reported a cholera outbreak, prompting an Early Action Review (EAR) guided by the 7-1-7 framework to evaluate timeliness of detection, notification, and response.

We conducted a qualitative EAR involving review of outbreak timelines, epidemiological data, and facilitated focus group discussions with 40 stakeholders from county, national, and partner institutions. The outbreak chronology was benchmarked against the 7-1-7 metric: detection within 7 days, notification within 1 day, and response initiation within 7 days. Thematic analysis of six response pillars was combined with root cause analysis to identify bottlenecks and enabling factors. Findings The outbreak lasted 58 days (10 February–8 April 2025), resulting in 53 suspected cases, 16 confirmed, and one death (CFR 1.8%). All 7-1-7 performance targets were met: detection (2 days), notification (<1 day), and response (3 days). Key enablers included rapid diagnostic tests (RDTs), functional event-based surveillance, activated emergency operations centers, and buffer stocks of WASH and medical supplies. However, delayed culture confirmation and reliance on external partners for emergency supplies were noted as critical gaps. Interpretation Migori County’s application of the 7-1-7 framework through an EAR enabled a timely and coordinated cholera response. Institutionalizing EARs and strengthening laboratory and logistics capacity are essential to enhance epidemic preparedness and response in decentralized health systems. Competing Interest Statement The authors have declared no competing interest. Funding Statement This study was funded by Kenya Red Cross Author Declarations I confirm all relevant ethical guidelines have been followed, and any necessary IRB and/or ethics committee approvals have been obtained. Yes The details of the IRB/oversight body that provided approval or exemption for the research described are given below: The ethics oversight for this study was provided by the Kenyatta National Hospital University of Nairobi Ethics and Research Committee (KNH UoN ERC), Nairobi, Kenya. The Committee waived ethical approval, as the study was part of a Ministry of Health-led Early Action Review (EAR) conducted in response to a public health emergency. According to Kenyan legislation and established procedures, such outbreak response evaluations that do not involve invasive procedures or identifiable personal data are exempt from ethical review. I confirm that all necessary patient/participant consent has been obtained and the appropriate institutional forms have been archived, and that any patient/participant/sample identifiers included were not known to anyone (e.g., hospital staff, patients or participants themselves) outside the research group so cannot be used to identify individuals. Yes I understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance). Yes I have followed all appropriate research reporting guidelines, such as any relevant EQUATOR Network research reporting checklist(s) and other pertinent material, if applicable. Yes Data Availability All data produced in the present study are available upon reasonable request to the authors