Practical guidance on immunization services and the risks they present for both Ebola affected and non-affected countries. The specific purpose of this document is to assist countries to: - Maintain immunization services and use immunization contacts and surveillance system as opportunities to educate and monitor for Ebola; - Provide guidance on infection prevention and control during vaccination; - Prepare where there is a potential risk of Ebola (e.g. border, etc.) and low immunization coverage, to implement activities to increase immunization coverage in these areas.