Community-based surveillance programme evaluation using the platform Nyss implemented by the Somali Red Crescent Society-a mixed methods approach.

"Declarations Competing interestsThe authors declare no competing interests. Ethical approval and consent of participantsData from the Nyss platform do not contain personally identifying data. Consent for the Nyss data was obtained from the national society. Informed consent for the interviews was obtained from each interviewee.The department of planning and policy and strategic information of MoHD has approved the study including the ethical protocol in 2018 when the first evaluation study was conducted and re-confirmed its approval for the current study. Competing interests The authors declare no competing interests."

"Funding This evaluation was funded by the Norwegian agency for development cooperation – Norad. No funding was received for this publication. The CBS activities are integrated into a wider Community health programme budget for all regions that was provided by the Norwegian Red Cross (Norad) and partially by the Canadian Red Cross."