Seven (07) out of 15 countries have reported the implementation of EBS in their country. these countries were at different level of the implementation of EBS. The number of signals is different per week, from one country to another. The Health professionals, the National Public Health Institutes  and the social medias  were involved in the identification of signals They are respectively  66.7%, 57.1% and 57.1% .The EBS challenges included lack of effective and structured decentralisation of the EBS process, lack of adequate and skilled manpower, lack of information and technology equipment and tools, both at regional and national levels, and inadequate use of EBS information. 