| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T47 |
0-282 |
Sentence |
denotes |
An active surveillance of influenza viruses in swine is necessary for two basic reasons; to track the influenza virus evolution for improvements of the currently available diagnostic tests as well as for generating more effective vaccines for prevention and control of disease [49]. |
| T48 |
283-439 |
Sentence |
denotes |
The currently available scientific data on swine influenza viruses would serve as a key to understand their evolutionary dynamics and transmission patterns. |
| T49 |
440-577 |
Sentence |
denotes |
Therefore, this systematic review, for the first time, summarizes all four types of influenza viruses in the swine populations worldwide. |
