PMC:7104294 / 3055-3250 6 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T18 | 0-195 | Sentence | denotes | Data are lacking on the prevalence of the disease among asymptomatic populations, so the real prevalence of COVID-19, its spectrum of presentation, and the real mortality rate all remain unknown. |