An antigen with multiple antigenicities that is protein in nature, strain-specific, and closely associated with the virus particle.
Why Did These 10 Songs Go Viral?Sometimes songs take on a life of their own. Whether because of their timelessness, their lyrics, their hilarity, or their catchiness, they go viral. We've picked 10 of our favorite musical references from viral songs currently in the zeitgeist to take a look at the language and see if their popularity makes any sense ...
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.