green, that are experiencing a decline. it will be weeks until we know whether the new relaxed restrictions will cause cases to spike. but health officials in kansas city and st. louis, missouri, are now calling on everyone who attended this packed pool party in the ozarks to self-quarantine. >> we have an important update on the impact of coronavirus on children. more than half of all states are now investigating cases of that pediatric inflammatory syndrome. at the moment, we know of only 350 cases, which is a tiny fraction of the total cases of the virus in the united states, but this development could have a big impact on the thinking about reopening camps and especially schools. >> and joining us now, cnn's chief medical correspondent, dr. sanjay gupta, and cnn political analyst, david gregory. great to see both of you. sanjay, we're just getting new information in from you that i want to alert everyone to. there's been a cluster outbreak in georgia and does it involve young people? >> it does. this seems to be related to a high school graduation party some time ago. there was a drive-by graduation. this was at a private high school, which sounds like at the ti