ABSTRACT
The COVID-19 pandemic required policy makers to make urgent decisions to limit the spread of the disease. International and regional health bodies and research institutions have a role in supporting decision makers and health actors in providing accurate and timely research evidence and guidance in decision making and practice. In ECOWAS region, the West African Health Organisation (WAHO) has experience in promoting evidence use decision making and practice as part of its role as Health Policy and Research Organisation. Promoting the use of evidence to influence policy and practice is possible through various approaches including training, the development of guides and policy briefs, the synthesis and sharing of evidence, and the organisation of meetings to share experiences. In the context of the COVID-19 pandemic, WAHO has deployed several approaches to bring the use of evidence to decision-makers and stakeholders to influence policy and practice. To improve practices, WAHO has organized regional training workshops on laboratory diagnostic, surveillance and simulation exercises of outbreak response for key actors, as well as webinars on different aspects of COVID-19 pandemic surveillance, coordination and management. In addition, a synthesis of the most recent evidence and epidemiologic models were developed to enlighten decision makers in selecting and implementation response interventions.