The risk of diagnose or being hospitalized certainly, or getting -- feeling really bad, it would encourage them to engage in public. you say the flipside of that is people taking risks? >> yeah. i don't know. human behavior, pretty unpredictable here. i don't think this should dissuade people from getting the vaccine. that's the most important message. now that this exists, i don't need to get the vaccine. i hope that's not the message. you want more tools in the tool belt. prepandemic, i remember you reminding that half of the country gets a flu shot. and people had tamiflu in their cabinets ...