Table 1 Comparison of performance of the EIA for MPXV A29 protein, VACV A27 protein, and VACV lysate.
From: Determination of seroprevalence and kinetics of humoral response using mpox virus A29 protein
Age group (years) | EIA result | No. (%) | ||
|---|---|---|---|---|
| Â | MPXV A29 protein | VACV A27 protein | VACV lysate | Â |
0–39 | + | + | + | 0/183 (0) |
|  | + | + | – | 1/183 (0.6) |
|  | + | – | + | 0/183 (0) |
|  | + | – | – | 3/183 (2) |
|  | – | + | + | 0/183 (0) |
|  | – | + | – | 4/183 (2) |
|  | – | – | + | 4/183 (2) |
|  | – | – | – | 171/183 (93) |
40–49 | + | + | + | 0/50 (0) |
|  | + | + | – | 0/50 (0) |
|  | + | – | + | 0/50 (0) |
|  | + | – | – | 1/50 (2) |
|  | – | + | + | 0/50 (0) |
|  | – | + | – | 2/50 (4) |
|  | – | – | + | 18/50 (36) |
|  | – | – | – | 29/50 (58) |
50–59 | + | + | + | 0/50 (0) |
|  | + | + | – | 0/50 (0) |
|  | + | – | + | 1/50 (2) |
|  | + | – | – | 1/50 (2) |
|  | – | + | + | 0/50 (0) |
|  | – | + | – | 2/50 (4) |
|  | – | – | + | 23/50 (48) |
|  | – | – | – | 23/50 (46) |
60–69 | + | + | + | 1/50 (2) |
|  | + | + | – | 0/50 (0) |
|  | + | – | + | 1/50 (2) |
|  | + | – | - | 1/50 (2) |
|  | – | + | + | 1/50 (2) |
|  | – | + | – | 0/50 (0) |
|  | – | – | + | 35/50 (70) |
|  | – | – | – | 11/50 (22) |
70–79 | + | + | + | 3/50 (6) |
|  | + | + | – | 0/50 (0) |
|  | + | – | + | 0/50 (0) |
|  | + | – | – | 0/50 (0) |
|  | – | + | + | 2/50 (4) |
|  | – | + | – | 1/50 (2) |
|  | – | – | + | 38/50 (76) |
|  | – | – | – | 6/50 (12) |
80 or above | + | + | + | 6/60 (10) |
|  | + | + | – | 0/60 (0) |
|  | + | – | + | 5/60 (8.3) |
|  | + | – | – | 0/60 (0) |
|  | – | + | + | 8/60 (13.3) |
|  | – | + | – | 2/60 (3.3) |
|  | – | – | + | 37/60 (61.7) |
|  | – | – | – | 2/60 (3.3) |
