Norovirus for the US (3 week average)
| TestType | RepWeekDate | PCR Detection |
|---|
| 1 | 4 | 02/29/20 | 10.9130283 |
| 2 | 4 | 03/07/20 | 10.8896650 |
| 3 | 4 | 03/14/20 | 9.6158030 |
| 4 | 4 | 03/21/20 | 7.7535006 |
| 5 | 4 | 03/28/20 | 5.7479204 |
| 6 | 4 | 04/04/20 | 4.1106800 |
| 7 | 4 | 04/11/20 | 2.6265084 |
| 8 | 4 | 04/18/20 | 1.9513570 |
| 9 | 4 | 04/25/20 | 1.5520695 |
| 10 | 4 | 05/02/20 | 1.7422981 |
| 11 | 4 | 05/09/20 | 1.6495327 |
| 12 | 4 | 05/16/20 | 1.5571479 |
| 13 | 4 | 05/23/20 | 1.3169352 |
| 14 | 4 | 05/30/20 | 1.5403703 |
| 15 | 4 | 06/06/20 | 1.4010910 |
| 16 | 4 | 06/13/20 | 1.3643745 |
| 17 | 4 | 06/20/20 | 1.0471534 |
| 18 | 4 | 06/27/20 | 0.8724731 |
| 19 | 4 | 07/04/20 | 1.7859449 |
| 20 | 4 | 07/11/20 | 1.6879729 |
| 21 | 4 | 07/18/20 | 1.7177880 |
| 22 | 4 | 07/25/20 | 0.8373572 |
| 23 | 4 | 08/01/20 | 0.9532265 |
| 24 | 4 | 08/08/20 | 1.0756724 |
| 25 | 4 | 08/15/20 | 1.0250302 |
| 26 | 4 | 08/22/20 | 1.1092477 |
| 27 | 4 | 08/29/20 | 1.1561939 |
| 28 | 4 | 09/05/20 | 1.7747092 |
| 29 | 4 | 09/12/20 | 1.8798608 |
| 30 | 4 | 09/19/20 | 1.8185057 |
| 31 | 4 | 09/26/20 | 1.3269963 |
| 32 | 4 | 10/03/20 | 1.1316213 |
| 33 | 4 | 10/10/20 | 1.2902142 |
| 34 | 4 | 10/17/20 | 1.2874063 |
| 35 | 4 | 10/24/20 | 1.3873340 |
| 36 | 4 | 10/31/20 | 1.1257229 |
| 37 | 4 | 11/07/20 | 1.1852370 |
| 38 | 4 | 11/14/20 | 0.9813618 |
| 39 | 4 | 11/21/20 | 1.0504437 |
| 40 | 4 | 11/28/20 | 1.0660832 |
| 41 | 4 | 12/05/20 | 1.1860849 |
| 42 | 4 | 12/12/20 | 1.4500042 |
| 43 | 4 | 12/19/20 | 1.6684113 |
| 44 | 4 | 12/26/20 | 2.0042465 |
| 45 | 4 | 01/02/21 | 2.1218507 |
| 46 | 4 | 01/09/21 | 2.3944345 |
| 47 | 4 | 01/16/21 | 2.8555546 |
| 48 | 4 | 01/23/21 | 3.4139989 |
| 49 | 4 | 01/30/21 | 3.8741992 |
| 50 | 4 | 02/06/21 | 5.2303169 |
| 51 | 4 | 02/13/21 | 0.0000000 |
| 52 | 4 | 02/20/21 | 0.0000000 |