PMC:7049657 / 1753-2023 6 Projects
Annnotations
Id | Subject | Object | Predicate | Lexical cue |
---|---|---|---|---|
T14 | 0-270 | Sentence | denotes | Also, the veterinary community has noted that new types of IBV continue to arise as a result of recombination events in the viral genome and from mutation, making IBV challenging to identify and extremely difficult to control, even though several IBV vaccines exist [5]. |