The five overall health treatment employees were being definitively seronegative from H5 in all assays, which implies they weren't contaminated with H5. This study displays a pattern of weakening binding affinity of present antibodies against H5 isolates as time passes, indicating the H5N1 virus is evolving immune escape of our https://www.dailypioneer.com/2013/india/foreigners-can-move-mha-if-plea-not-heeded.html