Influenza activity is increasing in the United States. CDC is receiving reports of flu-associated illnesses, hospitalizations, and deaths. Influenza A (H3N2) viruses are the most common viruses circulating in the United States.
An independent clause is a group of words that contains a subject and verb and expresses a complete thought. An independent clause is a sentence.
A variable in an equation that may have its value freely chosen without considering values of any other variable. For equations such as y = 3x â 2, the independent variable is x. The variable y is not independent since it depends on the number chosen for x. Formally, an independent variable is a variable which can be assigned any permissible value without any restriction imposed by any other variable. See also.