Official websites use .gov
A
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government organization in the United States.
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) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cumulative coronavirus disease 2019 tests reported, used, and saved before and after sample pooling implementation. The cumulative number of tests reported, used, and saved (as a result of pooling) is shown in green, blue, and orange, respectively.
