| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T77 |
0-127 |
Sentence |
denotes |
A confirmed case of Covid-19 was defined as one in which a nasopharyngeal swab specimen was positive for SARS-CoV-2 by rRT-PCR. |
| T78 |
128-296 |
Sentence |
denotes |
A suspected case of Covid-19 was defined as one that met Council of State and Territorial Epidemiologists clinical criteria for Covid-19 without a positive test result. |
| T79 |
297-582 |
Sentence |
denotes |
Confirmed cases were further classified as symptomatic (with symptom onset before the first positive laboratory test), presymptomatic (with the first positive laboratory test before subsequent symptom onset), and asymptomatic (positive laboratory test but clinical criteria never met). |
| T80 |
583-751 |
Sentence |
denotes |
Patients with confirmed or suspected infection were classified as having been hospitalized for Covid-19 if the admission diagnosis suggested a Covid-19–related illness. |
