TABLE 4.
Long-term protection among adults who respondeda to a primary hepatitis B vaccination series
| Group (reference) | No. of patients | Length of follow-up (yr) | % of patients showing anti- HBs loss (%) | No. of late infections
|
|
|---|---|---|---|---|---|
| Allb | Chronic | ||||
| Health care workers (106) | 144 | 11 | 31 | 0 | 0 |
| Homosexual men (143) | 127 | 11 | 61 | 0 | 0 |
| Eskimos (154)c | 1,194 | 9–10 | 24 | 13 | 0 |
| Homosexual men (53)d | 634 | 9 | 54 | 48 | 0 |
| Military (48) | 190 | 6 | 45 | 4 | 0 |
| Medical students (48) | 100 | 5 | 19 | 1 | 0 |
| Health care workers (147) | 41 | 5 | 32 | 0 | 0 |
| Health care workers (25) | 143 | 5 | 7 | 4 | 0 |
| Health care workers (46) | 32 | 5 | 24 | 0 | 0 |
| Health care workers (30) | 31 | 5–7 | 52 | 0 | 0 |
| Health care workers (75) | 72 | 5 | 30 | 0 | 0 |
a
Peak anti-HBs titer, ≥10mIU/ml.
b
Persons who have antibody to HBcAg.
c
Includes children.
d
Includes follow-up unpublished data.