they're very well prepared to do what they have to do and the aspa is doing a fantastic job. she's doing a great job, the administrator. >> question for dr. birx if i could. researchers have had some luck with hydroxy clor apin. is that something that might be in the arsenal of therapeutics here in the united states? >> i think we're exploring every one of those issues. the president asked for a critical briefing on that today. he opened with that. it is more than that single drug. there are other drugs that individuals are looking at. just to go back to what we talked about many times, there is things that look really good in cell culture against the virus that may look good in small animals but don't have an impact in humans. those are the pieces that we're looking at carefully. of course there are always anecdotal reports and we're trying to figure out how many equal scientific breakthroughs. >> are you confident of the seasonality of coronavirus? >> all we can do is look at the past to inform the future. we know what sars looked like. we also know -- and i just want to pu