The chance of human-to-human transmission of H5N1 is “quite reduced,” Chowdhury claims. But if it were to come about in a sustained way, it could rock the world in a means not witnessed For the reason that 1918 Spanish Flu. Hemagglutinin inhibition (Hello) assay: The Hello assay assessments for antibodies https://www.dailypioneer.com/2017/health-and-fitness/tai-chi-may-boost-exercise-behaviour-in-heart-patients.html