Parainfluenza Type 3 Data for the US

Week Ending Date	Antigen Detection	Virus Isolation	PCR
3/10/2018	0.9	0	0.9
3/17/2018	0.8	1	1.2
3/24/2018	1.4	0.7	1.9
3/31/2018	0.7	0.8	2.1
4/7/2018	1.3	0	2.5
4/14/2018	3.3	1.2	3.6
4/21/2018	2.5	1.6	4.7
4/28/2018	5	4.9	5.4
5/5/2018	3.7	4.9	6.9
5/12/2018	6.3	1.9	7.2
5/19/2018	3.5	2.9	8.7
5/26/2018	2.9	5.9	10
6/2/2018	4.3	3.9	9.6
6/9/2018	2.7	4.7	10.6
6/16/2018	2.3	1.5	9.2
6/23/2018	4.9	1.3	7.9
6/30/2018	1.8	6.5	7
7/7/2018	1.1	2.9	6.5
7/14/2018	1.3	1.9	4.9
7/21/2018	1.5	1.3	4.3
7/28/2018	1.8	0.7	2.5
8/4/2018	2.3	0	2.9
8/11/2018	0.7	1.6	2.2
8/18/2018	1.6	0.8	1.6
8/25/2018	0.6	0	1.3
9/1/2018	0.3	0.6	1.1
9/8/2018	0.6	0.6	0.9
9/15/2018	0.2	0.4	0.9
9/22/2018	0.2	0.4	0.6
9/29/2018	0.2	0.4	0.7
10/6/2018	0.3	0	0.7
10/13/2018	0.6	0.3	0.7
10/20/2018	0.5	0	0.7
10/27/2018	0	0	0.7
11/3/2018	0.7	1.1	0.7
11/10/2018	0.2	0.9	0.7
11/17/2018	0	0.3	0.8
11/24/2018	0.2	0.6	0.7
12/1/2018	0.3	0.5	0.7
12/8/2018	0.5	0	0.9
12/15/2018	0.8	0.6	1.1
12/22/2018	0.5	0.7	1.1
12/29/2018	0.4	1.1	1.1
1/5/2019	0.4	1.1	0.9
1/12/2019	0.4	1.2	0.5
1/19/2019	0.7	0.5	1.1
1/26/2019	0.5	0.8	1.2
2/2/2019	0.2	0.6	1.2
2/9/2019	0.9	0	1.3
2/16/2019	0.4	0.4	1.7
2/23/2019	0.7	0.4	1.8
3/2/2019	1.3	0	2.4