It would be wrong to conclude that a person has a Streptococcus infection if there is no other evidence than the fact that Streptococcus bacilli are present in the person' s throat; after all, infection does not occur unless the host is physically run down
When a bee colony fails to survive the winter, it would be wrong to conclude that low temperatures were the cause. Bees have very good defense mechanisms against extreme cold which are designed to ensure survival of the colony, though not of individual bees.