1Improvisation governance of public health emergencies:based on successful experiences in prevention and control of the COVID-19 epidemic in Zhejiang ProvinceZHU Li-yan, WANG Hong-ni, ZHAO Xin, WANG Xiao-he, JI Ke-yu, CHENG Cai-yu, SUN TaoCentury of Seeking Happiness for People by the Communist Party of China425-4302Survey of public awareness and usage for 12320 health hotline in Tongzhou District,Beijing CityYUAN Xue-wei, QU Xin, LU Yan, WU Qing, YANG GangCentury of Seeking Happiness for People by the Communist Party of China431-4333Analysis of health literacy status of residents and influencing factors in Zoucheng City,Shandong Province in 2019HE Hai-biaoCentury of Seeking Happiness for People by the Communist Party of China434-4374Shortcomings and countermeasures of the construction of the grass-roots public health and epidemic prevention system driven by"health & economy"ZHENG Wei, DONG Cong, ZHU Hai-shen, XUE Shu-huan, TIAN JunPublic Health Governance438-442,4465Research on the strategy of reserve and utilization of emergency supplies for public health emergencies in the post-epidemic eraJIANG Xiao-chao, ZHU Kai, SUN Yun-lanPublic Health Governance443-4466Emergency management system for major emerging infectious diseases in the comprehensive hospital based on "One Case Three Systems"WEI Wei, LI TongPublic Health Governance447-4517Research on collaborative governance of automatic external defibrillator in public placesCHEN Xiao-yan, ZHOU Mei-fangPublic Health Service452-4568Analysis of safety and first aid literacy among junior students in Wenzhou City and the influencing factorsCHEN Lei, YANG Gui-li, MAO Zi-juanPublic Health Service457-4609Improvement requirements of medical protective clothing in the context of regular COVID-19 epidemic prevention and controlHUANG Xiao-hong, ZHOU Yue-shan, WU Xiao-heng, YU San-ming, CHEN Rong-lin, YI Xiao-qing, LIU Zhuo, HUANG Chao, MEI Xiao-hong, CAI Wen-zhiPublic Health Service461-463,46810Analysis of the willingness of COVID-19 vaccination among college students and influencing factors in Guangzhou CityCHEN Kai-ju, LING Xin, LIAO Ying-xin, YANG Chang, LIN Jing-da, HE Yin-huan, FAN Xing-xing, TAN Kai-wen, XIAO YaoPublic Health Service464-46811Self health management level and influencing factors in patients with nonalcoholic fatty liver diseaseZHOU Ying, FANG Lin-hua, LIN Min, DING Jie-xiaPublic Health Service469-47212Mining and evaluation of signals of general response after vaccination in Gansu ProvinceLIANG Xue-feng, FANG Yan-xue, AN Jing, JIN Na, JIAO Yong-zhuo, DENG Lin, ZHANG Xiao-shuPublic Health Service473-47613Analysis of the risk factors of infection,and knowledge-attitude-practice of infection prevention of patients with diabetes mellitus in a community in Hangzhou CityZHANG Fang-hua, YANG Li-junPublic Health Service477-480,48514Analysis of the cognitive state of hand,foot and mouth disease,and the influencing factors of kindergarten staff and parents in Zhaoqing GityCHEN Hui-huan, CHEN Zhi-peng, LI Bi-yanPublic Health Service481-48515Medical students' cognition of clinical medicine and nursing majors for public health curriculums during COVID-19 epidemic and the teaching reform countermeasuresQIN Si, XU Jun-fang, SHU Bao-lian, HU Qi-tuo, GUO Xiao-peng, GUO You-fengPublic Health Service486-48916Investigation on the perception of hepatitis B vaccination of the relatives of Hepatitis B patients in Beilun District,Ningbo CityYU Yan-li, YANG Hai-dong, ZHOU Xiao-mingPublic Health Service490-49317Cardiovascular and cerebrovascular disease deaths,and potential life reduction in Tongling City from 2016 to 2018QIAN Dan, PAN Hua, LIU Wei-zhou, YANG Yun-fang, HU Bin, HE Yi-xinPublic Health494-497,50518Investigation of the public health emergency of norovirus infection in a boarding middle schoolLI Hong-xia, WANG An-na, ZHANG Wen-zeng, PI Hai-lun, SHI Ji-xin, HU Guang-yiPublic Health498-50019Study of mortality characteristics of esophageal cancer and the influencing factors of residents in Tengzhou CityZHANG Feng, ZHANG Shu-huaPublic Health501-50520Analysis of the trend of influenza epidemic in Gaoming District,Foshan City from 2016 to 2018CHEN Feng-zhen, ZHANG Qi-wenPublic Health506-509 