james gasparino and my sister-in-law dr. jimmy scientists and doctors everywhere we're throwing everything they had at this virus. as you treated the sickest patients at brooklyn hospital which drug, which treatments worked and which did not because think there is been some controversies about some of these names. >> well it's a great question, liz and i would say that currently we have very significant knowledge gaps in virtually all of these medications and so anecdotally it's very difficult to tell which one worked and which one didn't. i would say that for definitive answers we just don't have enough of the right kind of data most of these treatments to answer that question. so but what i would say is that so if we take remdesivir recently there was a preliminary data analysis from a randomized control trial that was sponsored by the national health and perhaps there's a signal toward improved survival although that outcome didn't meet statistical significance in that study so we'll wait for those final results but for t

charlie gasparino and i played proud siblings to charlie's brother, critical care physician james gasparino, and my sister-in-law epidemiologist dr. ann remoine, both leading the charges on the front lines of the pandemic. the doctor's comments about testing were very chilling. >> the truth of the matter is, we don't have enough testing in place so we don't really know where we are and it's very difficult for people even now to have access to tests. liz: will that change? president trump is scheduled to make an announcement at 4:00 p.m. eastern so in about 20 -- make it 15 minutes or so, on the testing issue. he will be doing it from the rose garden at the white house in just a few moments. to blake burman for a preview. blake, any idea what he might say? reporter: you are going to see the president and the administration tout the progress that has been made as they see it, liz, on testing coming up here in the rose garden about 15 minutes' time, or sometime in the next hour. here's what the administration has laid out before us in advance of this. they say over the last week, 1.9 million p