>> seftel: i don't believe so. you cannot influence a virus that is as wily and as wicked as covid with a fluke. >> alfonsi: but to be trusted by the wider medical community, fluvoxamine needed a larger trial. so, steve kirsch's fund put a half-million dollars behind a new trial led by dr. eric lenze. paper bag deliveries have been replaced by fedex boxes that the team plans to ship to more than 1,000 covid patients around the country and canada. >> lenze: i have to be a scientist about this. we've tested it in one study. but, in my view, it needs to be confirmed in a larger study. >> alfonsi: is it reasonable to think that this drug could be an answer? >> dr. francis collins: fluvoxamine could certainly be something you want to put in the tool chest, because it looks as if it has the promise to reduce the likelihood of severe illness. >> alfonsi: dr. francis collins is the director of the national institutes of health. as part of the pandemic response, collins oversees the federal effort to identify drugs to repur