A cross-country database of COVID-19 testing
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Our understanding of the evolution of the COVID-19 pandemic is built upon data concerning confrmed cases and deaths. This data, however, can only be meaningfully interpreted alongside an accurate understanding of the extent of virus testing in diferent countries. This new database brings together ofcial data on the extent of PCR testing over time for 94 countries. We provide a time series for the daily number of tests performed, or people tested, together with metadata describing data quality and comparability issues needed for the interpretation of the time series. The database is updated regularly through a combination of automated scraping and manual collection and verifcation, and is entirely replicable, with sources provided for each observation. In providing accessible cross-country data on testing output, it aims to facilitate the incorporation of this crucial information into epidemiological studies, as well as track a key component of countries’ responses to COVID-19.
Link to resourcehttps://doi.org/10.1038/s41597-020-00688-8
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