Generally nihs role. Bart thats role to support advanced development of products. Barta is and will support the advanced development of vaccines and therapeutics and get them scaled up so that if they work they can be used in a Mass Vaccination Campaign or in therapies. Thank you. I yield back. Now recognize mr. Wax man for five minutes. Thank you, mr. Chairman. Dr. Frieden, you and other experts have said numerous times the key to protecting americans from ebola is stopping the ooh disease at its source in west africa. Can you explain the approach in west africa to contain the spread . In brief to identify patients with ebola promptly, get them isolated and cared for safely. And in the event that individuals die, have them buried respectfully and safely without spreading disease. To turn off unsafe care and unsafe burial. Thats what ef we have done until now. The size, scale and speed requires now remains daunting. Instead of dozens or a handful of cases, thousands of cases to deal wi