The Likelihood of human-to-human transmission of H5N1 is “pretty small,” Chowdhury says. But if it ended up to arise in a very sustained manner, it could rock the globe in a method not noticed Considering that the 1918 Spanish Flu. Hemagglutinin inhibition (HI) assay: The Hello assay exams for antibodies https://www.dailypioneer.com/2020/india/pm---s-surprise-visit-to-hunar-haat.html