Humans have been battling disease since the dawn of time, and the most frightening of all diseases is the widespread infectious disease. In just a few short years, the threat of a major epidemic has become abundantly clear. In particular, the H 1 N 1 pandemic has been surprisingly rapid and widespread. This aroused people's vigilance, therefore, the human fight against infectious diseases has no end period.
The statement 'The virus mutates to survive' is the least likely to support the above conclusion.