‘Pandemic potential’: bird flu outbreaks fuelling probability of human spillover Authorities say record waves of avian influenza are location off alarms, with fears virus could adapt to unfold among the persons Remark Hemagglutinin inhibition (HI) assay: The HI assay assessments for antibodies into the hemagglutinin of the precise influenza virus https://www.dailypioneer.com/state-editions/bhubaneswar/2013-11-01-28239.html