"We Are on highest notify. We look at that this is a level of epidemic that we must check in a very most fashion," confident Mr. Kamba. Hemagglutinin inhibition (Hello) assay: The HI assay exams for antibodies on the hemagglutinin of the precise influenza virus utilizing purple blood cells (RBC). https://www.dailypioneer.com/2017/show-time/2017-11-25-198224.html