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N protein detection in the sera of SARS-CoV patients by ELISA-kit
| Days after onset of symptoms | No. of positive patients/total tested patients (%) |
|---|---|
| SARS-CoV patients | |
| Day 5–10 | 3/4 (75) |
| Day 15–21 | 0/36 (0) |
| Day 21–90 | 0/146 (0) |
| Health individuals | 0/103 (0) |
Total 186 SARS-CoV patients with different stages of the disease and 103 health individuals were selected and N protein in the sera was tested by ELISA-kit.
