The five well being treatment staff have been definitively seronegative in opposition to H5 in all assays, which suggests they were not contaminated with H5. * Avian influenza H5N1, excreted in significant quantities from the droppings of infected birds, is endemic. Sporadic human conditions obtained by direct connection with poultry https://www.dailypioneer.com/2016/delhi/low-wind-speed-turns-delhis-air-hazardous.html