Table 1.
Results of the SARS-CoV recombinant N protein ELISA in comparison to the commercially available ELISA for the sero-diagnosis of SARS
| Coated antigen | Number positive/number tested (% positive) SARS infected patients sera |
Control seraa | ||
|---|---|---|---|---|
| 10 days | 20 days | 30 days | ||
| Nucleocapsid protein | 13/16 (81.3%) | 16/16 (100%) | 16/16 (100%) | 0/131 (0%) |
| Mixture of antigens | 9/16 (56.3%) | 13/16 (81.3%) | 15/16 (93.7%) | 0/131 (0%) |
a
Serum samples of both the symptom free direct contacts to the above patients (physicians, nurses, and their family members) and non-SARS patients who showed symptoms of fever >38°C, cough and sore throat.