TABLE 5.
Mumps virus-specific IgG titers and avidities of patients with recurrent episodes of parotitis
| Case no. | Age (yr)/sexa | Age (yr) at vaccination | Previous parotitis | Day of samplinge | IgMb | IgG
|
|
|---|---|---|---|---|---|---|---|
| Titer (102) | Avidity (%) | ||||||
| R-1 | 7/M | 2 | Repeated | 1 | Neg | 53 | 33 |
| R-1 | 7/M | 2 | Repeated | 1c | Neg | 43 | 30 |
| R-2 | 4/M | 1 | Once | 2 | Neg | 40 | 30 |
| R-3 | 12/M | 4 | Repeated | 0 | NT | 10 | 37 |
| R-4 | 8/M | 3 | Once | 2 | Neg | 20 | 21 |
| R-5 | 9/M | 5 | Repeated | 1 | Neg | 3 | 10 |
| R-6 | 6/M | 2 | Once | 0 | Neg | NDd | |
a
M, male; F, female.
b
Neg, negative; Pos, positive; NT, not tested.
c
This episode occurred 6 months after the previous episode.
d
ND, not detectable.
e
The day on which parotid gland pain and/or swelling was first noticed was designated day 0.