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Influenza virus subtyping in 2020

Influenza virus subtyping in 2020

The information is based on testing of influenza virus isolates obtained from cell culture. 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 29/12/2019 - 04/01 82 49 33 0 0 0 2 2 0
2 05/01 - 11/01 118 83 35 0 0 0 4 4 0
3 12/01 - 18/01 136 115 21 0 0 0 3 3 0
4 19/01 - 25/01 103 90 13 0 0 0 1 1 0
5 26/01 - 01/02 73 63 10 0 0 0 5 5 0
6 02/02 - 08/02 64 59 4 0 0 1 2 2 0
7 09/02 - 15/02 21 16 5 0 0 0 2 2 0
8 16/02 - 22/02 2 1 1 0 0 0 0 0 0
9 23/02 - 29/02 5 2 3 0 0 0 2 2 0
10 01/03 - 07/03 0 0 0 0 0 0 0 0 0
11 08/03 - 14/03 7 2 5 0 0 0 2 2 0
12 15/03 - 21/03 5 3 2 0 0 0 11 11 0
13 22/03 - 28/03 1 0 1 0 0 0 2 2 0
14 29/03 - 04/04 0 0 0 0 0 0 0 0 0
15 05/04 - 11/04 0 0 0 0 0 0 0 0 0
16 12/04 - 18/04 0 0 0 0 0 0 0 0 0
17 19/04 - 25/04 0 0 0 0 0 0 0 0 0
18 26/04 - 02/05 0 0 0 0 0 0 0 0 0
19 03/05 - 09/05 0 0 0 0 0 0 0 0 0
20 10/05 - 16/05 0 0 0 0 0 0 0 0 0
21 17/05 - 23/05 0 0 0 0 0 0 0 0 0
22 24/05 - 30/05 0 0 0 0 0 0 0 0 0
23 31/05 - 06/06 0 0 0 0 0 0 0 0 0
24 07/06 - 13/06 0 0 0 0 0 0 0 0 0
25 14/06 - 20/06 0 0 0 0 0 0 0 0 0
26 21/06 - 27/06 0 0 0 0 0 0 0 0 0
27 28/06 - 04/07 0 0 0 0 0 0 0 0 0
28 05/07 - 11/07 0 0 0 0 0 0 0 0 0
29 12/07 - 18/07 0 0 0 0 0 0 0 0 0
30 19/07 - 25/07 0 0 0 0 0 0 0 0 0
31 26/07 - 01/08 0 0 0 0 0 0 0 0 0
32 02/08 - 08/08 0 0 0 0 0 0 0 0 0
33 09/08 - 15/08 0 0 0 0 0 0 0 0 0
34 16/08 - 22/08 0 0 0 0 0 0 0 0 0
35 23/08 - 29/08 0 0 0 0 0 0 0 0 0
36 30/08 - 05/09 0 0 0 0 0 0 0 0 0
37 06/09 - 12/09 0 0 0 0 0 0 0 0 0
38 13/09 - 19/09 0 0 0 0 0 0 0 0 0
39 20/09 - 26/09 0 0 0 0 0 0 0 0 0
40 27/09 - 03/10 0 0 0 0 0 0 0 0 0
41 04/10 - 10/10 0 0 0 0 0 0 0 0 0
42 11/10 - 17/10 0 0 0 0 0 0 0 0 0
43 18/10 - 24/10 1 0 1 0 0 0 0 0 0
44 25/10 - 31/10 0 0 0 0 0 0 0 0 0
45 01/11 - 07/11 0 0 0 0 0 0 0 0 0
46 08/11 - 14/11 0 0 0 0 0 0 0 0 0
47 15/11 - 21/11 0 0 0 0 0 0 0 0 0
48 22/11 - 28/11 0 0 0 0 0 0 0 0 0
49 29/11 - 05/12 2 0 2 0 0 0 0 0 0
50 06/12 - 12/12 0 0 0 0 0 0 0 0 0
51 13/12 - 19/12 0 0 0 0 0 0 0 0 0
52 20/12 - 26/12 0 0 0 0 0 0 0 0 0
 
Remarks:
1. Figures are subject to minor adjustments.
2. Multiple specimens may have been received for testing from the same patient.
3. As a result of disruptions in laboratory testing since early 2020, please interpret the data with caution.