<p>Insecurity is a threat for the poliomyelitis surveillance by public health system, however community-based surveillance could be a strengthening strategy. Community Health Workers (CHWs) were enrolled to conduct Acute Flaccid Paralysis (AFP) surveillance in insecurity zones in four Sub-Saharan Africa countries since August 2020. The objective is to describe the CHWs’ contribution in AFP cases notification and investigation over the implementation period.</p>