PMC:7148425 / 2581-2762 6 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T16 | 0-181 | Sentence | denotes | There is no pre-existing immunity to a virus not previously encountered except via cross-reactivity or shared viral antigen, as is sometimes the case for seasonal influenza strains. |