giles corbert charleston. quite a story. back to port-au-prince and sanjay gupta, cnn's chief medical correspondent and also a practicing surgeon. did you hear gunshots in the last hour. >> reporter: yes, we did, larry. we're in front of this plaza area over here. just as we were getting ready to do live shots earlier, we heard about 12 gunshots over a period of a few minutes. we turned off our lights. there's not a lot of light in this area. we wanted to make sure we weren't a target. there is sort of this sense that, you know, people going from having been stunned over the last day, which was the mood i felt when i first got here, to people are sort of becoming more anxious, a little bit more energetic, a little bit more violence in the air, larry. i think that's what was precipitating this. >> larry: you're an expert on health system. what's the state right now, from your perspective, of haiti's health system infrastructure? >> reporter: well, you know, i have to tell you, there's some things sort of that go into answerin