流行性感冒(简称流感)严重威胁安全的公共卫生。流感防控采取的综合策略为加强流感监测、推广流感疫苗接种、做好疾病暴发的调查和控制、积极施予医疗救治等。我国正在推进新型城镇化建设，城市人口出现快速、规模化聚集，这给现行的流感防控体系带来巨大挑战。本文就新形势下流感防控和诊治的相关问题进行综述。

Influenza is a serious threat to public health. Comprehensive strategies, including strengthening virus surveillance, recommendation and promotion of vaccination, conducting outbreak investigation and control, etc. are effectively used to prevent and control influenza. New urbanization, with rapid transportation and large-scale urban population poses enormous challenges to the current system of influenza prevention and control. New measures and strategies are required.