We aren't requesting any donations. Do not donate to any entity who claims They can be boosting funds for us. Hemagglutinin inhibition (HI) assay: The HI assay assessments for antibodies for the hemagglutinin of the precise influenza virus applying crimson blood cells (RBC). Multiple forms of RBCs ended up assessed https://www.dailypioneer.com/2015/delhi/swimming-pool-death-2-lifeguards-arrested.html