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.
Personal Pronouns. The first type of pronoun in the English language is the personal pronoun. Personal pronouns are pronouns that refer to specific antecedents. The English personal pronoun system includes four types of pronouns: subject pronouns, object pronouns, possessive pronouns, and reflexive pronouns.