Earthquakes have a rapid onset, broad impact, and produce many factors that work synergistically to increase the risk of morbidity and mortality caused by communicable diseases.

• 地震能够瞬间破坏人类的生活环境，并且和其他各种影响因素协同作用，导致地震后灾区传染性疾病的发病率和死亡率增加。