In assessing vulnerability of people to diseases that are influenced by climate change, historical data are needed to verify whether a particular disease has always been present or was introduced as a result of recent climate change.
44. 评估人对受气候变化影响的疾病的脆弱性时，需要有历史数据核实某种具体疾病是始终存在、或是因经济气候变化而出现。