Database. as a result, we just don't know what we don't know. >> how long do you anticipate the restrictions may last? can we even say at this point, dr. gupta? >> i would say at least until cold and flu season or until the surge starts to level off. i think that's at least until february from a case standpoint. we know their hospitals are getting overwhelmed. i want to 'em if size here, this is not a travel ban, this is just an implementation of policies that i'm sure many of your viewers have had to incur when they've travel to other parts of the world. 48 hours before you test and get back ...