The COVID Tracking Project is ending data collection this Sunday. As part of our wind down process, we are for the first time publishing our full data annotations, a set of structured metadata on how states define their COVID-19 metrics.
covidtracking.com/analysis-updat…
covidtracking.com/analysis-updat…
Health data pipelines in the US are siloed, with each state running its own pipelines to collect data on COVID-19’s spread. In the absence of federal guidelines, and constrained by technical limitations of their systems, many of them use different data definitions.
Definitions are often relegated to small footnotes on state dashboards. But they make a big difference in the data: They can tip the scale between labeling a COVID-19 case as active versus recovered, or between counting or not counting some COVID-19 cases and deaths at all.
Tracking state definitions has been vital to interpreting the data they publish. We hope that this full view of our annotations will be of use to researchers and data users aiming to understand state-level COVID-19 data and the methodologies we’ve used to collect and analyze it.
As you use or build on our work, keep in mind the annotations aren’t perfect. But we decided that providing a comprehensive look at our annotations was more important than releasing only a subset of the information after we’d polished it. Find them here: covidtracking.com/about-data/dat…
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