If H3N2 viruses continue to circulate prominently, the 2014-2015 influenza season could be severe. In addition, most of the H3N2 viruses that have been antigenically or genetically characterized at CDC are different or drifted from the H3N2 vaccine virus.
Updated April 12, 2017. An indefinite pronoun is a pronoun that refers to an unspecified or unidentified person or thing. Put another way, an indefinite pronoun doesn't have an antecedent.
Interrogative pronouns can also be used as relative pronouns, which may be found in questions. Youâll know for certain that a pronoun is classified as an interrogative when itâs used in a question, because interrogative pronouns are found only in questions.