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Detection of PUU-specific IgG in sera from blood donors
| Assay | No. of serum specimens testing positive
|
|
|---|---|---|
| Positive sera (n = 33) | Negative sera (n = 152) | |
| FRNT | 33 | 0 |
| MAb-capture IgG ELISA with native PUU-N | 33 | 0 |
| MAb-capture IgG ELISA with DES-PUU-N (amino acids 1 to 433) | 33 | 0 |
