which is specifically prevent severe disease and hospitalization, and we know all this in the background is going on because of some cdc documents that were released to a number of media organizations last week that showed there was a lot of concern in the administration that reports of breakthrough infections could cause people to lose confidence in the vaccine if they are vaccinated and start thinking they need to get a booster shot somehow or sort of solidify some of this vaccine hesitancy out there among people who have yet to get vaccinated, who haven't done so because they don't think the vaccine works and they don't trust the data and evidence out there around them. so there is concern that this little bit of momentum they've been starting to get in their vaccination effort again is going to be hammered by all of these reports of breakthrough infections. >> of course, that frustration comes as we had a pretty high-profile breakthrough yesterday with senator lindsey