Chen Chien-jen says that both long-term global climate change and the short-term El Nino effect are leading to an expansion in the geographical range of many infectious diseases.
國科會生物處處長陳建仁指出，長期以來的全球氣候變遷，及短期的聖嬰現象，使傳染病的流行版圖有擴展的趨勢。