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Sensitivities of recombinant nucleocapsid protein-based ELISA for detection of IgG, IgM, and IgA in serum samples obtained at different periods after disease onset
| Days after disease onset | No. of serum samples | No. (%) positive
|
||
|---|---|---|---|---|
| IgG | IgM | IgA | ||
| 10-20 | 22 | 19 (86) | 13 (59) | 12 (55) |
| 21-30 | 64 | 61 (95) | 36 (56) | 40 (63) |
| 31-40 | 13 | 13 (100) | 8 (62) | 6 (46) |
| >40 | 7 | 7 (100) | 3 (43) | 6 (86) |
