PMC:7647877 / 2454-2730 5 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T19 | 63-73 | Sentence | denotes | Background |
| T20 | 74-231 | Sentence | denotes | On December 2019 a new coronavirus (SARS-CoV-2) emerged in Wuhan, China, triggering a pandemic of severe acute respiratory syndrome in humans (COVID-19) [1]. |