本期组织专家围绕季节性流感和动物流感病毒的基础研究、甲型H1N1流感和新冠病毒所致肺炎患者的临床特征、流感疾病负担以及促进老年人流感疫苗接种等发表论著或共识，阐述流感病毒特点、疾病特征、健康危害和经济影响、预防措施。这些研究强调了基础医学、临床医学、公共卫生与预防医学的融合在传染病防控中的重要作用。以群医学理念为指导，推动多学科融合，持续开展流感等传染病防治和大流行应对准备工作，既可夯实新发和突发传染病监测预警、预防控制、诊断治疗基础，也可提升突发公共卫生事件应急准备能力。“,”Series of the studies and consensus on the basic research on seasonal and animal influenza virus, clinical characteristics of patients with pneumonia caused by influenza A (H1N1) and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), disease burden of influenza, and promotion of influenza vaccination for the elderly were published in this special issue, aiming to describe the feature of influenza virological and clinical characteristics, health and economic burden, and vaccination. These researches emphasized the importance of the integration between basic medicine, clinical medicine, public health and preventive medicine in the prevention and control of infectious diseases. Based on the concept of population medicine, promoting the integration of multidisciplinary and strengthening prevention, control and pandemic preparedness on influenza, corona virus disease 2019 and other infectious diseases, could consolidate the foundation of surveillance and early warning, prevention and control, diagnosis and treatment of emerging infectious diseases, as well as improve the ability of emergency preparedness for public health events.