2021/22 season 2021/22 season 2020/21 season 2020/21 season 2016/17-2019/20 seasons 2016/17-2019/20 seasons 2016/17-2019/20 seasons 2016/17-2019/20 seasons
Seasonal period Inter-season period Seasonal period Inter-season period Mean during seasonal period Range during seasonal period Mean during inter-season period Range during inter-season period
Sentinel surveillance Sentinel surveillance Sentinel surveillance Sentinel surveillance Sentinel surveillance Sentinel surveillance Sentinel surveillance Sentinel surveillance Sentinel surveillance Sentinel surveillance
Number of countries Number of countries 34 27 19 17 - 18 - 23 - 7 - 12
Specimens tested Regional totals 36,040 19,197 21,803 5,076 15,796 13,853 - 18,026 1,338 1,121 - 1,532
Country ranges 0 - 5,688 3 - 8,031 1 - 4,723 1 - 2,477 2 - 4,502 2 - 5,654 2 - 542 1 - 731
Detections Regional totals 2,018 (6%) 375 (2%) 195 (1%) 316 (6%) 1,669 (11%) 1,461 - 1,905 15 (1%) 4 - 26
Country ranges 0 - 635
(0% - 15%)
0 - 103
(0% - 15%)
0 - 78
(0% - 7%)
0 - 175
(0% - 22%)
0 - 312
(0% - 50%) ‡
0 - 430 0 - 11
(0% - 2%)
0 - 20
Non-sentinel surveillance Non-sentinel surveillance Non-sentinel surveillance Non-sentinel surveillance Non-sentinel surveillance Non-sentinel surveillance Non-sentinel surveillance Non-sentinel surveillance Non-sentinel surveillance Non-sentinel surveillance
Number of countries Number of countries 34 24 18 20 - 30 - 33 - 9 - 15
Detections Regional totals 62,426 8,876 6,966 18,325 49,738 44,081 - 55,614 220 118 - 426
Country ranges 0 - 14,071 0 - 1,955 0 - 5,454 0 - 6,983 0 - 11,888 0 - 16,456 0 - 61 0 - 164
SARI surveillance SARI surveillance SARI surveillance SARI surveillance SARI surveillance SARI surveillance SARI surveillance SARI surveillance SARI surveillance SARI surveillance
Number of countries Number of countries 16 11 2 7 - 5 - 10 - 1 - 3
Specimens tested Regional totals 9,478 4,238 682 1,983 - - - -
Country ranges 28 - 2,370 2 - 1,630 94 - 588 27 - 736 - - - -
Detections Regional totals 948 (10%) 136 (3%) 144 (21%) 148 (7%) 200 178 - 227 7 3 - 15
Country ranges 0 - 355
(0% - 60%)
0 - 98
(0% - 18%)
0 - 144
(0% - 24%)
0 - 55
(0% - 25%)
0 - 93 0 - 105 0 - 3 0 - 9