The 5 wellness treatment personnel were definitively seronegative against H5 in all assays, which implies they were not contaminated with H5. Hemagglutinin inhibition (Hello) assay: The HI assay tests for antibodies to the hemagglutinin of the particular influenza virus utilizing red blood cells (RBC). A number of varieties of RBCs https://www.dailypioneer.com/2022/state-editions/bokaro-admn-declares-175-schools-as-tobacco-free-institutions.html