Task: Translation
Input (Chinese): 据路透社报道，陈主任早些时候致信世卫组织工作人员说：“随着今天的宣布，世界卫生组织从紧急情况转向长期反应。
Output (English): According to Reuters, Chan earlier sent out a letter to WHO staff saying, "With today's announcement, WHO moves from an emergency to a longer-term response.