This is a remix of 1.2a: Epidemics narrated by Roy William Mayega (Makerere University). This version includes English captions. The original video (without captions) can be found at http://www.youtube.com/watch?v=VHHGfll28RA. Video transcribed by Trisha Paul (University of Michigan). This video is part of a learning module from the East Africa HEALTH Alliance called Public Health Emergency Planning and Management for Districts. The full module and the video transcript can be accessed at http://openmi.ch/disaster-mgmt. Copyright 2009-2019 Roy Mayega (Makerere University). The video, transcript, and module are all shared under a Creative Commons Attribution (CC BY) 3.0 License: http://creativecommons.org/licenses/by/3.0/.