"We've Been on maximum alert. We contemplate that that is a standard of epidemic that we have to watch inside of a maximum manner," assured Mr. Kamba. Hemagglutinin inhibition (HI) assay: The HI assay assessments for antibodies into the hemagglutinin of the specific influenza virus employing pink blood cells (RBC). https://www.dailypioneer.com/2019/sports/ellyse-perry-become-first-cricketer-to-reach-1000-runs--100-wickets-in-t20is.html