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  • noun

Words related to antigen

any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)

References in periodicals archive ?
CDC has antigenically or genetically characterized 877 influenza viruses collected and submitted by U.
2) Unlike previous pandemics, pandemic influenza (H1N1) 2009, although not a new subtype of influenza virus, does represent a virus that is new to the human population both antigenically and biologically.
The causative agents are four closely related, but antigenically distinct, virus serotypes (DEN-1, DEN-2, DEN-3, and DEN-4) of the genus Flavivirus.
Japanese encephalitis (JE) virus: flavivirus antigenically related to St.
The uniqueness of individual life forms, as expressed antigenically and immunologically, for example, is attributable to the fact that their complexity exceeds their numbers.
presented data on its novel bivalent VLP vaccine technology which creates VLP vaccines each bearing two antigenically distinct molecules.
Both are antigenically similar with no antigenic drift," a spokesman for the CHP said.
Most influenza viruses characterized during this period were genetically or antigenically similar to the reference viruses representing vaccine components recommended for production in the 2016-17 Northern Hemisphere influenza vaccines.
HI antibodies were induced after MVA-H5sfMR vaccination that displayed considerable reactivity with the antigenically distinct H5N8 strain A/chicken/ Netherlands/EMC-3/2014 (Figure, panel A).
Influenza A viruses, mainly H3N2, predominate thus far during the 2014-2015 flu season, comprising more than 91% of the specimens collected and analyzed, and only about half of those have been antigenically similar to H3N2 components included in the 2014-2015 vaccine, according to the advisory.
The H5N1 virus "has diversified genetically and antigenically over the years," he said.
Cox said that activity of seasonal A(H3N2) viruses has been "relatively low" worldwide, compared with previous years, and what has been circulating antigenically is closely related to the A/Perth/16/2009 virus.
Of these isolates, the vast majority were influenza A viruses of the H3N2 subtype, which were antigenically similar to the vaccine strain A/Sydney/05/97.
The various Clade 2 strains are antigenically distinct from each other, but closer to each other than to Clade 1 strains.
This HA gene was likely introduced from humans into swine in 2010 or 2011, and has since circulated and evolved in swine to be genetically and antigenically different from both previous and currently circulating human seasonal influenza A(H3N2) viruses (3).