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Detection of parainfluenza viruses in respiratory specimens in 2017

Week number

Date

No. of specimen tested

Parainfluenza 1

Parainfluenza 2

Parainfluenza 3

Parainfluenza 4

No.

%

No.

%

No.

%

No.

%

1 01/01 - 07/01 3777 100 2.65 21 0.56 70 1.85 105 2.78
2 08/01 - 14/01 3999 99 2.48 14 0.35 98 2.45 112 2.80
3 15/01 - 21/01 3780 93 2.46 21 0.56 71 1.88 90 2.38
4 22/01 - 28/01 3464 102 2.94 11 0.32 76 2.19 78 2.25
5 29/01 - 04/02 4405 114 2.59 15 0.34 88 2.00 97 2.20
6 05/02 - 11/02 4104 124 3.02 14 0.34 90 2.19 93 2.27
7 12/02 - 18/02 4209 140 3.33 12 0.29 99 2.35 80 1.90
8 19/02 - 25/02 4321 139 3.22 24 0.56 113 2.62 83 1.92
9 26/02 - 04/03 4103 110 2.68 17 0.41 110 2.68 65 1.58
10 05/03 - 11/03 4222 131 3.10 20 0.47 109 2.58 70 1.66
11 12/03 - 18/03 4167 172 4.13 18 0.43 122 2.93 93 2.23
12 19/03 - 25/03 4095 131 3.20 14 0.34 125 3.05 67 1.64
13

26/03 - 01/04

4116 117 2.84 9 0.22 125 3.04 72 1.75
14 02/04 - 08/04 4084 98 2.40 14 0.34 141 3.45 76 1.86
15 09/04 - 15/04 3202 54 1.69 8 0.25 85 2.65 44 1.37
16 16/04 - 22/04 4951 98 1.98 25 0.50 144 2.91 77 1.56
17 23/04 - 29/04 3948 51 1.29 15 0.38 115 2.91 53 1.34
18 30/04 - 06/05 4121 51 1.24 10 0.24 101 2.45 57 1.38
19 07/05 - 13/05 4157 53 1.27 16 0.38 106 2.55 49 1.18
20 14/05 - 20/05 4366 44 1.01 17 0.39 109 2.50 56 1.28
21 21/05 - 27/05 4412 55 1.25 14 0.32 107 2.43 53 1.20
22 28/05 - 03/06 4691 41 0.87 20 0.43 90 1.92 51 1.09
23 04/06 - 10/06 4456 30 0.67 21 0.47 95 2.13 44 0.99
24 11/06 - 17/06 4429 26 0.59 20 0.45 97 2.19 48 1.08
25 18/06 - 24/06 4441 22 0.50 23 0.52 70 1.58 48 1.08
26 25/06 - 01/07 4883 26 0.53 15

0.31

80 1.64 43 0.88
27 02/07 - 08/07 6153 25 0.41 28 0.46 71 1.15 51 0.83
28 09/07 - 15/07 6753 22 0.33 31 0.46 62 0.92 66 0.98
29 16/07 - 22/07 6839 21 0.31 34 0.50 60 0.88 58 0.85
30 23/07 - 29/07 6791 3 0.04 23 0.34 44 0.65 46 0.68
31 30/07 - 05/08 5742 4 0.07 14 0.24 15 0.26 27 0.47
32 06/08 - 12/08 5099 7 0.14 18 0.35 25 0.49 34 0.67
33 13/08 - 19/08 4590 3 0.07 5 0.11 22 0.48 18 0.39
34 20/08 - 26/08 4214 6 0.14 12 0.28 19 0.45 19

0.45

35 27/08 - 02/09 3835 6 0.16 15 0.39 17 0.44 19 0.50
36 03/09 - 09/09 3774 4 0.11 15 0.40 11 0.29 10 0.26
37 10/09 - 16/09 4046 5 0.12 18 0.44 13 0.32 21 0.52
38 17/09 - 23/09 4123 6 0.15 8 0.19 26 0.63 22 0.53
39 24/09 - 30/09 3898 7 0.18 19 0.49 35 0.90 21 0.54
40 01/10 - 07/10 3560 6 0.17 16 0.45 26 0.73 26 0.73
41 08/10 - 14/10 3838 6 0.16 31 0.81 41 1.07 23 0.60
 
Remarks:
1. For specimens received from 10 February 2014 onwards, molecular testing has replaced viral culture. Please interpret the data and trends in light of the enhanced sensitivity of molecular testing, and hence positive detection rates.
2. Figures are subject to minor adjustments.
3. Multiple specimens may have been received for testing from the same patient.
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