PMC:7166029 / 11866-12044 7 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T117 | 0-178 | Sentence | denotes | COVID-19 is a highly infectious virus that can be transmitted by droplets, contact, and aerosol and fecal-oral infection [9], making it difficult to prevent and control in China. |