a form of epidemic influenza caused by a virus believed to have been carried from Asia in the late 1950s.
Also called Asian influenza.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a type of influenza recurring in worldwide epidemics, caused by a virus (A2 strain or subsequent antigenic variants), which apparently originated in China in 1957
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Influenza that is caused by a strain of influenza virus type A, which was first isolated in China during the 1957 epidemic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.