In order to evaluate the impact of the REMMOCC project (Reducing Morbidity and Mortality of Covid-19 in Cameroon) after 6 months of intervention based on a baseline survey conducted in March 2021, a two-day training workshop of 17 surveyors was organized at the conference hall of New-Bell Health District in Douala, from 11^th  to 12^th of September 2021. The goal was to familiarize surveyors with data collection tools (ODK-collect, questionnaires and daily synthesis forms) and techniques in the community and health facilities.