Some general public health industry experts say there need to be additional transparency and urgency in investigating the cases. Experts also choose to see a far more specific timeline of when persons have been exposed, made signs and symptoms and were examined. Hemagglutinin inhibition (Hello) assay: The Hello assay tests https://www.dailypioneer.com/2016/business/steel-minister-meets-ln-mittal-discusses-1-billion-jv-with-sail.html