PMC:7510993 / 5372-5532 3 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T30 | 0-160 | Sentence | denotes | We then calculated the length of time (in days) since the onset of COVID-19 spread as defined by the date of the first confirmed case in each country or region. |