Mentally distressed woman warned cops of suicide: Drives car on rail tracks for 7km close to Hyderabad; view Hemagglutinin inhibition (Hello) assay: The Hello assay tests for antibodies on the hemagglutinin of the precise influenza virus using crimson blood cells (RBC). Several sorts of RBCs were assessed from the HI https://www.dailypioneer.com/2021/state-editions/prosecution-against-gambhir---s-foundation--2-aap-mlas-launched.html