hierarchy - a series of ordered groupings of people or things within a system; put honesty first in her hierarchy of values. 1  celestial hierarchy - the collective body of angels. 2  data hierarchy - an arrangement of data consisting of sets and subsets such that every subset of a set is of lower rank than the set. taxonomy - a classification of organisms into groups based on similarities of structure or origin etc.
No, elevated blood pressure is not a known side effect of the flu vaccine. Other things, such as pain, can cause your blood pressure to rise.
This is not necessarily cause for alarm: It's natural for blood pressure to rise and fall with changes in activity or emotional state. It's also normal for blood pressure to vary from person to person, even from one area of the body to another.