TABLE 1.
Categorization of the group A and B RS viruses by their restriction patterns and distributions over 3 epidemic years
| Group and restriction patterna | No. of viruses isolated in the following epidemic years:
|
||
|---|---|---|---|
| 1993–1994 | 1994–1995 | 1995–1996 | |
| Group A | 56 | 42 | 19 |
| abc (48, 14, 4) | 44 | 1 | 3 |
| aec (18, 8, 7) | 7 | 1 | 2 |
| bba (40, 18, 1) | 4 | 33 | 3 |
| aaa (14, 9, 5) | 1 | 3 | 10 |
| aad (1) | 1 | ||
| adc (1) | 1 | ||
| bda (1) | 1 | ||
| bec (1) | 1 | ||
| Group B | 4 | 3 | 50 |
| pno (3, 3, 2) | 3 | ||
| poo (46, 16, 7) | 4 | 42 | |
| pso (7, 7, 1) | 7 | ||
| pro (1) | 1 | ||
a
See Materials and Methods for the categorization of viruses by restriction pattern. The numbers in parentheses are total number of viruses in restriction pattern group, number of sequences determined, number of unique amino acid sequences within restriction pattern group.