| Scenario |
In recent years, the possibility for imported communicable diseases has been greatly increased in Taiwan due to the international interchange, frequent traveling, the adoption of alien workers, etc. In addition, local communicable diseases may occur occasionally, which severely challenges the related units’ epidemic prevention policy, epidemic examination, epidemic surveillance and the abilities to examine and research epidemics.
Center for Disease Control, Department of Health, Executive Yuan is the competent authority that is responsible for the prevention and cure of domestic communicable diseases. The center is in charge of the prevention of all kinds of communicable diseases and informing the epidemic cases and surveillance. Also, the center has the most |
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| complete reported epidemic information in Taiwan. Because all kinds of communicable epidemic resources are distributed and spread spatially, numerous foreign disease control organizations, which work with Geographic Information System (GIS) to do the transmission and spatial analysis of communicable disease, have great performance. As a result, with Web-GIS architecture as the foundation the Center for Disease Control has developed a set of Epidemic Information Management Geographic Information System since 2001. The system now turns out to be the best helper to control the domestic epidemic information as well as the spatial distribution after the functions are extended several times. More, it can efficiently provide the real-time and valid epidemic information for the competent authorities, medical organizations and the public. |
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| Solutions |
Epidemic Information Management Geographic Information System is a query system, combining the database technology with the Web-GIS architecture. Developed with .NET technology, the system is mainly used to help the related staff to query and map various epidemic information. Epidemic Information Management Geographic Information System, a Web-GIS, adopts SuperWebGIS as the map server platform to publish the epidemic information and maps saved in geodatabases to the Internet. Users can easily query information through common browsers without installing any plug-ins. In terms of databases, Epidemic Information Management Geographic Information System adopts the Microsoft SQL Server 2003 and Oracle as the tools to save, maintain and manage various types of communicable disease data. |
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| Results |
Epidemic Information Management Geographic Information System is a query system using Web-GIS as the architecture, and the system effectively integrates various related databases to assist the Center for Disease Control in entirely controlling the epidemic information in Taiwan. Besides, through the GIS technology, the spatial distribution of the epidemic information can be displayed to help the related staff understand the further status of disease distribution and plan effective strategies to control the disease.
Epidemic Information Management Geographic Information System has six functions to deal with epidemic information: Surveillance Information, Inoculation Surveillance, Investigation of Vector Mosquito, Virus Information, Goods and Materials for Disease Prevention and Mapping Analysis.
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Surveillance Information: |
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The function is aimed at offering the related units to quickly query the information about notifiable diseases, syndrome and severe complications, inoculation rate, symptom report and etc. |
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Inoculation Surveillance: |
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The function mainly offers the query of inoculation rates based on several types of conditions, like era, areas, communicable disease vaccines and etc. The results would be displayed in graduated charts to facilitate researchers to clearly realize the spatial distribution of each inoculation rate, control the spreading of communicable diseases and apply to other applications. |
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Investigation of Vector Mosquito: |
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Summer is the favorable season in Taiwan for all kinds of vector mosquitoes to multiply and also the time for various communicable diseases to spread out. The main purpose of this function is to offer the staff with query function to realize the multiplication state of the various vector mosquitoes by different period of time, area, occasion and index, expecting to control the spread of communicable diseases. In addition, the function also allows users to download the results in Excel file for other advanced applications in more documents. |
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Virus Information: |
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The function is aimed at helping the staff to quickly query the distribution status of all kinds of virus in different areas and different periods of time, and then displays the virus distribution with visualized effect in graduated chart. Moreover, the staff can query with the related information and distribution status of the communicable disease cases and read the query results in graduated chart so that the competent authorities can more precisely control the distribution status of the communicable diseases. |
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Goods and Materials for Disease Prevention: |
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Besides providing the information of various kinds of communicable diseases to help the organizations control the disease state, this function also assists Center of Disease Control in controlling the information of inventory, stock quantity, using quantity or so of the goods and material for disease prevention, snake antivenin, medicines for prevention and vaccines in each city and county or medical care unit. The materials and medicines can be allotted and distributed in the most effective way. |
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Mapping Analysis: |
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The function has two kinds of menus: Weather Mapping Analysis and Disease Spatial Statistic Analysis. The change of climate is a crucial factor in the process of transmission of communicable diseases. Therefore, Weather Mapping Analysis provides the statistic analysis of various climate factors, such as temperature, rainfall, humidity and pressure for disease researches as reference. Disease Spatial Statistic Analysis provides Kriging method and IDW method to do statistic analysis, particular for statistic analysis of enterovirus, influenza-like illness, diarrhea and etc. The analysis results will be clearly displayed via the mapping. |
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| Surveillance Information provides many types of options, such as notifiable diseases, syndrome and severe complications, inoculation rate, symptom report and etc. for the related units to query. |
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| Inoculation Surveillance uses graduated symbol maps to facilitate researchers to realize the spatial distribution of each inoculation rate. |
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| Goods and Materials for Disease Prevention can help Center of Disease Control to effectively allocate and distribute the goods and materials. |
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| Weather Mapping Analysis provides the statistic analysis of various climate factors, such as temperature, rainfall, humidity and pressure for disease researches as reference. |
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The establishment of Epidemic Information Management Geographic Information System can not only effectively integrate the related disease databases in entire Taiwan but also allows the Center for Disease Control to effectively control the epidemic information and status as well as the spatial distribution. Therefore, Center for Disease Control can quickly make the effective policy to control the disease. And the other related competent authorities, medical care organizations and the public can also easily obtain the real-time and valid epidemic information directly through the browsers. |
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