TABLE 2.
Time of follow-up (mo) | Cumulative no. of patients with negative antibody titers at the following serum dilution
|
||
---|---|---|---|
1/80 | 1/160 | 1/320 | |
6 | 0 | 0 | 4 (3, 6, 14, 15)a |
12 | 0 | 1 (9) | 6 (16, 8) |
18 | 1 (12) | 1 | 8 (10, 2) |
24 | 2 (1) | 1 | 9 (5) |
30 | 2 | 1 | 11 (4, 13) |
Numbers in parentheses identify the patient numbers of the new patients who became seronegative.