It looks like Fox Newsâs Sean Hannity may have gotten himself punked by a fake Russian spy who goes by the name of âSoviet Sergeyâ on Twitter.
paradigm shift. 1. a dramatic change in the paradigm of a scientific community, or a change from one scientific paradigm to another. 2. Putting skilled, tenured teachers in failing schools would cause a paradigm shift in teaching and education.
[shift] a change or deviation. antigenic shift a sudden, major change in the antigenicity of a virus, seen especially in influenza viruses, resulting from the recombination of the genomes of two different strains; it is associated with pandemics because hosts do not have immunity to the new strain. See also antigenic drift.