PMC:7258756 / 54-238 5 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T2 | 16-24 | Sentence | denotes | Abstract |
| T3 | 25-49 | Sentence | denotes | Background & objectives: |
| T4 | 50-168 | Sentence | denotes | Since December 2019, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has globally affected 195 countries. |