they are large, monthsry rymonstrous animals in terms of what they entail. many differentiate types of the mechanisms associated. it is valuable. the most successful mechanism and also the broadest one i think. so it is going to have a unique challenges. for hospitals and healthcare entities. we saw during ebola and we see under steady state consideration with a variety of types of the pathology, trauma, burn, heart attacks or cardiac care and strokes. we've seen there are stratifications within healthcare systems of different hospitals being a level this versus a level that and how patients are transferred or handled. it doesn't make sense that we would depart from that for something like bio defense or an issue like this and ebola illustrated and supported that. we ended up ultimately with centers for care with understanding that hospitals would feed the patients to them if someone present, if you will, to to the emergency department. i think this is an area why things like the joint commission would be valuable. they have already undertaken this with spec