Evaluating response to measles outbreak using the 7-1-7 metric:

Abstract

Background: measles remains a public health concern in Uganda. With frequent outbreaks despite vaccination efforts. In January 2024, kyenjojo District experienced a measles outbreak with over 70 cases and 3 deaths, the 7-1-7 metric, endorsed by WHO provides a standardized framework to evaluate outbreak response by assessing detection within 7 days, notification within 1 day and response initiation within 7 days. We evaluated the measles outbreak response in Kyenjojo District, Uganda, using the 7-1-7 framework to assess timeliness detection, notification, and response. Methods: We conducted a cross sectional study that collected quantitative data from epidemiological reports, outbrek line lists. We analysed epidemiological and surveillance data to quantify timelines for detection, notification, and response. Additionally,we uncovered facilitators and bottlenecks influencing outbreak management. Results: Only the notification milestone met the 7-1-7 benchmark, occurring within one day of laboratory confirmation. Detection was delayed by 16 days and response initiation was on the day of notification however, final early response actions were completed after 11 days, exceeding the seven-day threshold. Facilitators included information from some proactive health workers, VHT, district leadership, structured coordination, and timely laboratory confirmation. Barriers stemmed from weak VHT-facility linkages, delayed partner mobilisation, logistical gaps, and limited training, insufficient community reporting, and operational fatigue. Conclusions: our study revealed timeliness gaps in detection and full response initiation, however the district achieved timely notification. While Uganda’s surveillance system demonstrated strength in notification, frontline response remains hindered by human resource structural challenges at the District and facility level. Systemic weakness in surveillance, logistics and preparedness curtailed outbreak control despite strong leadership and partner support. Recommendation: Strengthen community and facility surveillance through VHT engagement; institionalize of digtal platforms for rapid notification; pre-position vaccines and essential supplies; operationalize and fund district response plans; scale up adoption of the 7-1-7 metric locally to improve outbreak response performance.