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Fig. 1 | BMC Public Health

Fig. 1

From: Development and utility of a close contact information management system for the COVID-19 pandemic

Fig. 1

The framework and application of close contact system in Guangdong Province. (1) Information technology provides powerful support for the construction and optimization of the system. The system framework is shown below the long dotted line in Fig. 1. The system contains two main functions that can be optimized at any time based on work requirements. (2) As the system is gradually improved and optimized, it plays an increasingly significant role in the management of close contacts. As shown in the dashed box, “District-City-Province” directly vertical information communication and “Distrct-Distrct” / “City-City” indirectly horizontal information communication in Guangdong province have been achieved in the systems which were used by CDCs at different levels. Besides, the extended application of the system is shown outside the dashed box. Cooperation with other information tools, such as the health code and the case system, helps to perform data analyses and thus helps to understand the characteristics of COVID-19 and conduct disease control. Furthermore, the information of close contacts outside Guangdong province is also managed with the assistance of administrative applications, expanding the effective management scope of the system

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