>> cnn films "unseen enemy" a world health day special is presented by johnson & johnson. so discover the risks and slices of today's emerging health outbreaks, go to johnson.com. >> i think when you're faced with the disaster that strikes a count country, you do see that people care. people are dielzing. we have to to something about this. we have something in dwmtd, so we'll accelerate. i think it was really necessary for people, companies to step up and try to do something about this. that's why i have the spark cash card from capital one. with i i earn unlimited 2% cash back on alof my purchasing. and that unlimited 2% cash back from spark means