4疾病“新现”的原因在公共卫生层面,新现或再现疾病的威胁不仅来自病原的不断演化,同样受社会和环境的影响。自然环境的改变在决定疾病模式方面的作用与日俱增,而目前日趋多变的气候加上经济不稳定、战争和自然灾害,更加剧了这一过程。这些因素的共同作 4 Causes of disease “new reality ” At the public health level, the threat of new or reclaimed disease comes not only from the evolving pathogens but also from the social and environmental aspects. The changing nature of the environment plays an increasing role in determining the disease pattern, which is aggravated by the current climate of change, coupled with economic instability, war and natural disasters. These factors work together