The probability of human-to-human transmission of H5N1 is “very very low,” Chowdhury says. However, if it have been to happen inside a sustained manner, it could rock the globe in a method not observed Considering that the 1918 Spanish Flu. Hemagglutinin inhibition (Hello) assay: The HI assay exams for antibodies https://www.dailypioneer.com/columnists/edit/2018-08-19-13335.html