Problem: Disruption of any of these three points of the triangle can limit or disrupt the outbreak; therefore, it is important to know and understand the characteristics of the three for any specific disease to control an epidemic. For example, if potential hosts are vaccinated, disease spread would be significantly limited or if the environment is modified, spread may also be limited (eg, cleaning up garbage around a home limits rat food and harborage, and thus minimizes the risk of contact with fleas capable of transmitting plague). Need Assignment Help?