already 1 million people with crippling diarrhea and respiratory infections. the world health organization projecting hundreds of thousands of patients with cholera, dysentery and typhoid. pakistan could be held hostage by killer water. this affecting their next generation like this little 3-year-old. you can check little things to see how dehydrated they are. push on the tips of their fingers and blood doesn't come back. he has a very weak pulse as well. his poor little mouth is so dry but he's in the right place. he's one of the lucky ones. >> all right, and our dr. sanjay gupta is on the line with us, on the phone with us in pakistan. sanjay, let me start with the