An interdisciplinary approach to address global health challenges such as the Covid-19 pandemic, climate change, loss of biodiversity, human migration has been framed by the One Health approach. This approach is promoted at global level by the Tripartite of the World Health Organisation, the World A ... nimal Health Organisation, the Food and Agriculture Organisation of the United Nations, recently joint by the United National Environment Program to form the Quadripartite. The German government through its Ministry of Economic Cooperation and Development supports this approach with its One Health strategy and investment in several technical cooperation projects. more

AVADAR is a mobile sms-based software application designed to improve the quality and sensitivity of Acute Flaccid Paralysis (AFP) surveillance by health workers and key informants within hospital facilities and local communities. The idea is simple: Health workers visit remote villages to check if ... local inhabitants have any symptoms of a range of life-threatening infectious diseases, including polio and measles. Then, with the mobile app, they quickly and easily alert WHO. The AFP video component was developed by World Health Organization (WHO) and eHA, and the software design component was handled by Novel-T. To date, eHA has translated the app into 17 languages. Informant Selection & Capacity Building The selection of informants (including health workers) was led by the WHO and each country’s Ministry of Health team. Once selected, screening and training was jointly conducted by WHO, the Ministries of Health, and eHealth Africa team. In several countries, “special informants” with limited literacy participate in the project via a simplified version of the app that only requires a “yes” or “no” response to having seen a child with AFP symptoms more