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. 2020 Jul 9;71(12):3204–3213. doi: 10.1093/cid/ciaa922

Figure 9.

Figure 9.

Daily SARS-CoV-2 testing data. A, Test volumes, on the basis of the daily receipt of nasopharyngeal swab samples, daily resulting of tests, and daily number of positive tests. The first sample was received on 4 March, and the first tests were resulted on 7 March. B, Daily percentages of test positivity rates are shown starting 13 March, as obtained from a hospital setting (inpatient unit, intensive care unit, or emergency department), urgent care, or other (predominantly ambulatory practice sites, with a small fraction of cases from nursing homes and Northwell employee health services; see Figure 8). Abbreviation: SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.