The Vaccine Coverage Analysis solution can be used by health and human services departments and public safety departments to identify underserved populations and optimize plans for disease vaccination sites. By default, it is configured to identify populations at highest risk of Coronavirus (COVID-19) using a set of pre-determined demographic factors and data enrichment. But it can easily be adjusted focus in on specific priority populations in each phase, especially important to answering questions of vaccine equity. It is also possible to skip the data enrichment process altogether and use an existing risk index, such as the Center for Disease Control's Social Vulnerability Index. The following describe how to accomplish these workflows so that you can tailor the Solution's results to local, pertinent conditions and get vaccines and resources to where they are needed the most.
By default, the Vaccine Coverage Analysis solution counts all vaccine records to calculate a vaccination rate, regardless of race, ethnicity, or age. We know, however, that these factors are playing a part in vaccine distribution equity. If race, ethnicity, and age information has been collected at the time of vaccination, use the following steps to evaluate the vaccination rate of the priority populations you are interested in.
9. In step 8, Find priority populations, select the population you are interested in as a Risk Factor. Enter all other inputs as described in the task and run the tool. The resulting layer will reflect the locations of the population you are interested in.
The Social Vulnerability Index is map created by the CDC that uses U.S. Census Data to determine social vulnerability for counties and census tracts in the US. It ranks each county and census tract according to 15 different social factors, which determine it's overall social vulnerability. The Vaccine Coverage Analysis solution creates a similar type of index to locate priority populations, but it uses data enrichment to do so. And it is pre-configured to create an index of COVID-19 at-risk populations. If a more general analysis is needed or data enrichment is not an option, the Social Vulnerability Index can be used instead. Use the following workflow to use the Social Vulnerability Index to identify where priority populations are located.
Note: the Mean statistic in the Summarize Within tool is calculated using a ratio policy, where the proportion of area that intersects with the inputs is used to weight each value. The equation used to calculate the mean can be found here
For more information on the Vaccine Coverage Analysis solution and other ArcGIS Solutions, visit the ArcGIS Solutions website.
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