Mentally Distressed woman warned cops of suicide: Drives motor vehicle on rail tracks for 7km in the vicinity of Hyderabad; check out Hemagglutinin inhibition (HI) assay: The HI assay exams for antibodies to the hemagglutinin of the specific influenza virus utilizing purple blood cells (RBC). Various forms of RBCs ended https://www.dailypioneer.com/2015/india/uneasy-calm-prevails-in-border-villages.html