TABLE 1.
Detection of rotaviruses in 10 prefectures
| Prefecture | Detection resulta
|
No. of CHRV isolates detected in at the following times:
|
||||||
|---|---|---|---|---|---|---|---|---|
| Human group A rotavirusesb | CHRVsc | 1992
|
1993
|
|||||
| November | December | January | February | March | April | |||
| Chiba | 24/97 (24.7) | 2/73 (2.7) | 1 | 1 | ||||
| Niigata | 7/55 (12.7) | 0/48 | ||||||
| Toyama | 49/119 (41.2) | 0/70 | ||||||
| Gifu | 20/74 (27) | 0/54 | ||||||
| Fukui | 6/21 (28.6) | 2/15 (13.3) | 2 | |||||
| Tottori | 46/123 (37.4) | 6/77 (7.8) | 6 | |||||
| Okayama | 22/176 (12.5) | 11/154 (7.1) | 2 | 2 | 3 | 4 | ||
| Kagawa | 83/163 (50.9) | 8/80 (10) | 2 | 1 | 1 | 3 | 1 | |
| Shimane | 30/187 (16) | 19/157 (12.1) | 1 | 4 | 6 | 6 | 2 | |
| Saga | 43/99 (43.4) | 5/56 (8.9) | 2 | 2 | 1 | |||
| Total | 330/1,114 (29.6) | 53/784 (6.8) | 1 | 4 | 7 | 11 | 14 | 16 |
a
Values indicate number of samples that were positive/total number of samples tested. Values in parentheses indicate percentage of tests that were positive.
b
Human group A rotaviruses were detected with a commercially available ELISA kit.
c
CHRVs were detected by the RPHA test.