| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T75 |
0-115 |
Sentence |
denotes |
The case reports mentioned above point out the potential of serological assays to add to the diagnosis of COVID-19. |
| T76 |
116-221 |
Sentence |
denotes |
So far, a large number of serological assays have been developed in response to the diagnostic need [14]. |
| T77 |
222-338 |
Sentence |
denotes |
Data on the validation and comparison of the performance of these assays are emerging but are still limited [15–18]. |
| T78 |
339-515 |
Sentence |
denotes |
Since antibody production by the specific immune system is subject to delay, a lower diagnostic performance of serological assays in the early phase of the disease is expected. |
| T79 |
516-634 |
Sentence |
denotes |
So far, studies have revealed that antibodies could be detected as early as 3–6 days after symptom onset [9,10,19,20]. |
