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Since May 2020, China's epidemic prevention and control has entered a stable stage. The overall trend is that the epidemic situation starts from time to time, and it may break out on a small scale at any time. It returns from foreign countries and seasonal attacks and delays for a long time, which has a profound impact on all aspects. This study takes the community nucleic acid detection products and service system in such a "post-epidemic era" as the starting point, through qualitative and quantitative research methods, using research tools such as ISSUE MAP, user interviews, data crawlers, emotional data analysis, etc., the existing community collective nucleic acid detection process, basic user groups, stakeholders, etc. are analyzed and integrated. After a considerable understanding of the product, the outstanding problems of the service system are further optimized, focusing on solving process visualization problems, special population service problems, and online product optimization problems. Build new stakeholder systems, user journeys, prototypes, and conduct prototype tests to obtain feedback, in order to provide reference solutions to large-scale public health problems in the future.
Since May 2020, the epidemic prevention and control in China has entered a stable stage. The overall trend is that the epidemic situation rises and falls from time to time, which may break out in a small scale at any time, return from abroad and seasonal attack, and delay for a long time, which has a far-reaching impact on all aspects. This study takes the community nucleic acid detection products and service system in this "post epidemic era" as the starting point, Through qualitative and quantitative research methods, use issue map, user interview, data crawler, emotional data analysis and other research tools to analyze and integrate the existing community collective nucleic acid detection process, basic user groups and stakeholders, and further optimize the outstanding problems of the service system after having a good understanding of the existing service system and products, Focus on solving the problems of process visualization, special population service and online product optimization. Build a new stakeholder system, user journey, prototype, and test the prototype to get its feedback, in order to provide a reference solution for dealing with large-scale public health problems in the future.

China has distinctive epidemic prevention measures in response to the epidemic, such as: hierarchical and centralized management: different epidemic prevention measures are adopted according to different risk levels; detailed to individuals: detailed to individuals from units to individuals to ensure that the registration of permanent residents is implemented to individuals; Grid community epidemic prevention mode: realize resource grid, management grid, service grid and responsibility grid; Wear masks throughout the whole process: wear surgical masks throughout the whole process when going out, protect the lives, health and safety of oneself and others, etc., and the basis of these measures is China's unique form of settlement. The following is a comparative analysis of the distribution of settlements in China and the United States. It can be seen that the grid management model adopted by China is original The product of local conditions.
China's response to the epidemic situation has distinctive epidemic prevention measures, such as hierarchical centralized management: different epidemic prevention measures are taken according to different risk levels; Detailed to individuals: units are detailed to individuals to ensure that the registration of permanent residents is implemented to individuals; Grid community epidemic prevention mode: realize resource grid, management grid, service grid and responsibility grid; Wearing masks in the whole process: wearing surgical masks in the whole process of going out to protect the life, health and safety of yourself and others, etc. These measures are ba-sed on the unique settlement form in China. The following is a comparative analysis of the settlement distribution between China and the United States, which can be seen that the grid management mode adopted in China is an original product of adjusting measures to local conditions.

Because the research subject is relatively clear, in this research process, the research path combining qualitative and quantitative research is adopted, through qualitative research tools such as: ISSUE MAP, semi-structured user interviews, questionnaire surveys, scenario maps; and quantitative research Tools such as: data crawler, emotional data analysis and other research tools and methods, analyze and integrate the existing community collective nucleic acid detection process, basic user groups, stakeholders, etc.

Because the research subject is relatively clear, in this research process, the research path of combining qualitative and quantitative research is adopted, through qualitative research tools such as issue map, semi-structured user interview, questionnaire survey and scenario map; And quantitative research tools, such as data crawler, emotional data analysis and other research tools and methods, to analyze and integrate the existing community collective nucleic acid detection process, basic user groups, stakeholders and so on.