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.
Dictionary entry overview: What does indefinite mean? â¢ INDEFINITE (adjective) The adjective INDEFINITE has 2 senses: 1. vague or not clearly defined or stated 2. not decided or not known Familiarity information: INDEFINITE used as an adjective is rare.