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Influenza virus subtyping in 2017

The information is based on testing of influenza virus isolates obtained from cell culture, and intends to provide a profile on the proportion of circulating strains. The date refers to specimen reception by the laboratory.

Week number Date Type A total Type A subtype H1 Type A subtype H3 Type A subtype H5 Type A subtype H7 Type A subtype H9 Type B total Type B (Victoria lineage) Type B (Yamagata lineage)
1 01/01 - 07/01 99 7 91 0 1 0 6 0 6
2 08/01 - 14/01 131 14 116 0 1 0 12 3 9
3 15/01 - 21/01 123 9 114 0 0 0 2 0 2
4 22/01 - 28/01 131 11 120 0 0 0 10 5 5
5 29/01 - 04/02 83 10 73 0 0 0 6 1 5
6 05/02 - 11/02 117 8 109 0 0 0 5 2 3
7 12/02 - 18/02 118 9 109 0 0 0 10 2 8
8 19/02 - 25/02 113 10 103 0 0 0 13 2 11
9 26/02 - 04/03 120 12 108 0 0 0 8 2 6
10 05/03 - 11/03 101 5 95 0 1 0 12 1 11
11 12/03 - 18/03 101 15 86 0 0 0 9 1 8
12 19/03 - 25/03 97 9 88 0 0 0 10 4 6
13 26/03 - 01/04 92 16 76 0 0 0 23 13 10
14 02/04 - 08/04 84 20 64 0 0 0 22 8 14
15 09/04 - 15/04 68 18 50 0 0 0 33 12 21
16 16/04 - 22/04 91 25 66 0 0 0 27 6 21
17 23/04 - 29/04 109 41 68 0 0 0 11 3 8
18 30/04 - 06/05 84 38 46 0 0 0 11 1 10
19 07/05 - 13/05 125 35 90 0 0 0 14 1 13
20 14/05 - 20/05 108 26 82 0 0 0 11 1 10
21 21/05 - 27/05 105 23 82 0 0 0 10 2 8
22 28/05 - 03/06 113 12 101 0 0 0 5 0 5
23 04/06 - 10/06 140 30 110 0 0 0 9 2 7
24 11/06 - 17/06 150 18 132 0 0 0 9 1 8
25 18/06 - 24/06 167 7 160 0 0 0 2 0 2
26 25/06 - 01/07 183 9 174 0 0 0 15 0 15
27 02/07 - 08/07 221 18 203 0 0 0 21 0 21
28 09/07 - 15/07 202 18 184 0 0 0 7 0 7
29 16/07 - 22/07 251 19 232 0 0 0 25 3 22
30 23/07 - 29/07 258 19 239 0 0 0 21 1 20
31 30/07 - 05/08 121 6 115 0 0 0 22 1 21
32 06/08 - 12/08 108 5 103 0 0 0 15 2 13
33 13/08 - 19/08 83 17 66 0 0 0 28 2 26
34 20/08 - 26/08 61 5 56 0 0 0 23 3 20
35 27/08 - 02/09 66 6 60 0 0 0 30 4 26
36 03/09 - 09/09 46 12 34 0 0 0 28 4 24
37 10/09 - 16/09 43 9 34 0 0 0 43 11 32
38 17/09 - 23/09 39 3 36 0 0 0 39 4 35
39 24/09 - 30/09 23 8 15 0 0 0 28 3 25
40 01/10 - 07/10 15 9 6 0 0 0 19 3 16
41 08/10 - 14/10 23 6 17 0 0 0 36 14 22
42 15/10 - 21/10 19 1 18 0 0 0 87 77 10
43 22/10 - 28/10 12 5 7 0 0 0 30 11 19
44 29/10 - 04/11 20 4 16 0 0 0 46 15 31
45 05/11 - 11/11 17 1 16 0 0 0 38 8 30
46 12/11 - 18/11 11 4 7 0 0 0 35 6 29
47 19/11 - 25/11 12 7 5 0 0 0 34 7 27
48 26/11 - 02/12 24 9 15 0 0 0 49 8 41
49 03/12 - 09/12 15 6 9 0 0 0 59 12 47
50 10/12 - 16/12 22 13 9 0 0 0 68 6 62
51 17/12 - 23/12 18 7 11 0 0 0 100 15 85
52 24/12 - 30/12 24 14 10 0 0 0 61 5 56
 
Remarks:
1. Figures are subject to minor adjustments.
2. Multiple specimens may have been received for testing from the same patient.
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