Of or relating to vaccination or a vaccine.(adjective)
Induced by vaccination.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "vaccinal" in a sentence
"Behavioural disorders included autism (nine), disintegrative psychosis (one), and possible postviral or vaccinal encephalitis (two)."
"The Private Veterinary Surgeon was worried about strain divergence from the vaccinal strains."
"The health status and vaccinal status of the source herd was not known."