From: Epidemiological and virological surveillance of influenza viruses in China during 2020–2021
Collection time | Reference Ferret Antisera | ||||||||
---|---|---|---|---|---|---|---|---|---|
B/Washington/02/2019 (1A.3) | B/Sichuan-Jingyang/12048/2019 (1A.3a.1) | B/Austria/1359417/2021 (1A.3a.2) | |||||||
No. of likea(%) | No. of lowb (%) | Total | No. of like (%) | No. of low (%) | Total | No. of like (%) | No. of low (%) | Total | |
2020.1 | 181 (96.3) | 7 (3.7) | 188 | 0 (0) | 1 (100) | 1 | – | – | – |
2020.2 | 29 (87.9) | 4 (12.1) | 33 | 0 (0) | 3 (100) | 3 | – | – | – |
2020.3 | 22 (84.6) | 4 (15.4) | 26 | 0 (0) | 3 (100) | 3 | – | – | – |
2020.4 | 4 (100) | 0 (0) | 4 | 0 (0) | 1 (100) | 1 | – | – | – |
2020.5 | 4 (100) | 0 (0) | 4 | 1 (25.0) | 3 (75.0) | 4 | – | – | – |
2020.6 | 4 (100) | 0 (0) | 4 | 0 (0) | 4 (100) | 4 | – | – | – |
2020.7 | 0 (0) | 1 (100) | 1 | 1 (100) | 0 (0) | 1 | – | – | – |
2020.8 | 0 (0) | 2 (100) | 2 | 2 (100) | 0 (0) | 2 | – | – | – |
2020.9 | 0 (0) | 3 (100) | 3 | 3 (100) | 0 (0) | 3 | – | – | – |
2020.10 | 4 (80.0) | 1 (20.0) | 5 | 2 (40.0) | 3 (60.0) | 5 | – | – | – |
2020.11 | 17 (73.9) | 6 (26.1) | 23 | 18 (78.3) | 5 (21.7) | 23 | – | – | – |
2020.12 | 30 (30.9) | 67 (69.1) | 97 | 97 (100) | 0 (0) | 97 | – | – | – |
2021.1 | 79 (36.1) | 140 (63.9) | 219 | 212 (96.8) | 7 (3.2) | 219 | – | – | – |
2021.2 | 105 (68.2) | 49 (31.8) | 154 | 138 (89.6) | 16 (10.4) | 154 | – | – | – |
2021.3 | 153 (48.4) | 163 (51.6) | 316 | 245 (77.5) | 71 (22.5) | 316 | – | – | – |
2021.4 | 88 (28.0) | 226 (72.0) | 314 | 267 (85.0) | 47 (15.0) | 314 | – | – | – |
2021.5 | 90 (30.0) | 210 (70.0) | 300 | 231 (77.0) | 69 (23.0) | 300 | – | – | – |
2021.6 | 73 (29.3) | 176 (70.7) | 249 | 173 (69.5) | 76 (30.5) | 249 | – | – | – |
2021.7 | 48 (24.7) | 146 (75.3) | 194 | 93 (47.9) | 101 (52.1) | 194 | – | – | – |
2021.8 | 76 (35.7) | 137 (64.3) | 213 | 55 (25.8) | 158 (74.2) | 213 | 2 (100) | 0 (0) | 2 |
2021.9 | 147 (48.8) | 154 (51.2) | 301 | 132 (43.9) | 169 (56.1) | 301 | 117 (84.2) | 22 (15.8) | 139 |
2021.10 | 110 (32.4) | 230 (67.6) | 340 | 147 (43.2) | 193 (56.8) | 340 | 307 (90.3) | 33 (9.7) | 340 |
2021.11 | 155 (23.2) | 512 (76.8) | 667 | 172 (25.8) | 495 (74.2) | 667 | 581 (87.1) | 86 (12.9) | 667 |
2021.12 | 161 (30.7) | 364 (69.3) | 525 | 152 (29.0) | 373 (71.0) | 525 | 467 (89.0) | 58 (11.0) | 525 |
Total | 1582 (37.8) | 2602 (62.2) | 4182 | 2141 (54.4) | 1798 (45.6) | 3939 | 1474 (88.1) | 199 (11.9) | 1673 |