Table 2. Subgroup of HRSV divided by prefecture during the 2012–2013 through the 2014–2015 seasons.
| Prefectures | 2012–2013 season, No. (%) | 2013–2014 season, No. (%) | 2014–2015 season, No. (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HRSV-A | HRSV-B | Total | HRSV-A | HRSV-B | Total | HRSV-A | HRSV-B | Total | |
| Hokkaido | – | – | – | – | – | – | 11 (84.6) | 2 (15.4) | 13 (100) |
| Aomori | 17 (94.4) | 1 (5.6) | 18 (100) | 7 (70.0) | 3 (30.0) | 10 (100) | 9 (81.8) | 2 (18.2) | 11 (100) |
| Chiba | 7 (77.8) | 2 (22.2) | 9 (100) | 3 (50.0) | 3 (50.0) | 6 (100) | – | – | – |
| Tokyo | 5 (83.3) | 1 (16.7%) | 6 (100) | 3 (50.0) | 3 (50.0) | 6 (100) | 11 (84.6) | 2 (15.4) | 13 (100) |
| Kanagawa | 5 (100.0) | 0 (0.0) | 5 (100) | 17 (68.0) | 8 (32.0) | 25 (100) | – | – | – |
| Niigata | 96 (73.8) | 34 (26.2) | 130 (100) | 12 (27.9) | 31 (72.1) | 43 (100) | 38 (100) | 0 | 38 (100) |
| Shizuoka | 2 (100.0) | 0 (0.0) | 2 (100) | 2 (22.2) | 7 (77.8) | 9 (100) | 6 (100) | 0 | 6 (100) |
| Aichi | 6 (85.7) | 1 (14.3) | 7 (100) | 0 | 11 (100.0) | 11 (100) | – | – | – |
| Mie | 5 (100.0) | 0 (0.0) | 5 (100) | 11 (100) | 0 | 11 (100) | 4 (100) | 0 | 4 (100) |
| Shiga | – | – | – | 4 (25.0) | 12 (75.0) | 16 (100) | 4 (100) | 0 | 4 (100) |
| Osaka | 6 (60.0) | 4 (40.0) | 10 (100) | 9 (81.8) | 2 (18.2) | 11 (100) | – | – | – |
| Hyogo | 5 (71.4) | 2 (28.6) | 7 (100) | 1 (20.0) | 4 (80.0) | 5 (100) | – | – | – |
| Kagawa | 7 (61.5) | 6 (38.5) | 13 (100) | – | – | – | – | – | – |
| Yamaguchi | 10 (90.9) | 1 (9.1) | 11 (100) | 7 (38.9) | 11 (61.1) | 18 (100) | – | – | – |
| Fukuoka | 18 (100.0) | 0 (0.0) | 18 (100) | – | – | – | – | – | – |
| Kumamoto | 5 (100.0) | 0 (0.0) | 5 (100) | 1 (5.6) | 17 (94.4) | 18 (100) | 22 (95.7) | 1 (4.3) | 23 (100) |
| Okinawa | – | – | – | 20 (100) | 0 | 20 (100) | 4 (80.0) | 1 (20.0) | 5 (100) |
| All | 194 (78.9) | 52 (21.1) | 246 (100) | 97 (46.4) | 112 (53.6) | 209 (100) | 109 (93.2) | 8 (6.8) | 117 (100) |
Note. “–”denotes sample collection not conducted