Mentally distressed girl warned cops of suicide: Drives automobile on rail tracks for 7km close to Hyderabad; watch Hemagglutinin inhibition (Hello) assay: The HI assay checks for antibodies to the hemagglutinin of the specific influenza virus applying purple blood cells (RBC). Multiple varieties of RBCs were assessed inside the HI https://www.dailypioneer.com/2022/columnists/pharma-sector-set-for-fast-scaling-up-in-2023.html?trk=organization_guest_main-feed-card_feed-article-content