Number of specimens tested for the virus that causes COVID-19 by CDC labs (N=3,698) and U.S. public health laboratories* (N=4,856) by date of specimen collection†

‡ Data during this period are pending.

左：CDC Labs 右：US Public Health Labs
1/18 4 0
1/19 0 0
1/20 7 0
1/21 7 0
1/22 17 0
1/23 58 0
1/24 79 0
1/25 160 0
1/26 86 0
1/27 154 0
1/28 84 0
1/29 404 0
1/30 175 0
1/31 114 0
2/1 47 0
2/2 53 0
2/3 96 0
2/4 72 0
2/5 86 0
2/6 62 1
2/7 83 0
2/8 37 0
2/9 45 2
2/10 69 0
2/11 50 0
2/12 36 0
2/13 39 0
2/14 39 4
2/15 11 2
2/16 12 0
2/17 62 26
2/18 65 2
2/19 54 3
2/20 226 0
2/21 290 0
2/22 23 2
2/23 46 1
2/24 46 12
2/25 109 11
2/26 63 22
2/27 104 106
2/28 88 140
2/29 84 232
3/1 70 184
3/2 105 405
3/3 34 585
3/4 27 758
3/5 6 750
3/6 10 800
3/7 0 525
3/8 0 261
3/9 0 22
3698 4856

https://www.cdc.gov/coronavirus/2019-ncov/testing-in-us.html


https://www.cdc.gov/coronavirus/2019-ncov/images/lab-data-graph.png