We aren't requesting any donations. Don't donate to any entity who claims they are boosting cash for us. Hemagglutinin inhibition (HI) assay: The Hello assay assessments for antibodies on the hemagglutinin of the specific influenza virus utilizing pink blood cells (RBC). Various sorts of RBCs were being assessed within the https://www.dailypioneer.com/2018/state-editions/2017-12-31-193898.html