serologic tests in which a known quantity of antigen is added to the serum prior to the addition of a red cell suspension. Reaction result is expressed as the smallest amount of antigen which causes complete inhibition of hemagglutination.
HI NEGATIVE AGGLUTINATIONcal.vet.upenn.edu
Haemagglutination Inhibition (www.poultry-health.com
Components of the HI Assaywww.cdc.gov
inhibition test usingintranet.tdmu.edu.ua
Last update: September 2014