the jungles of cameroon, looking for the next big pandemic virus, i was in a baseball stadium in cooperstownd with the next contagion, i could have spread it to 5,000 people from 22 states. >> and it goes quickly over the world. >> it tells us how connected we are and why it matters what's going on there. >> rich, thanks very much. you can see the whole report tonight on "nightline." >>> now, back outside to sam and the weather. >> hey, guys. we have everybody ready to be a weather map, right? we're all practiced. we're ready. just in case you need to be a hurricane, you have it worked out. >> i'll spin. >> good. let's see if we have maps. shall we? oh, yeah. there we go. melbourne, florida. waterford, michigan. some gorgeous shots. and we're going to talk about jova, a hurricane in the pacific coast. this is moving towards the mexican coastline. a big tourist area, manzanillo. now, it will be a category 2 by the time it makes landfall. the bigger issue is maybe up to 20 inches of rain. that could mean flooding on that part of the mexican coastline. a little foggy this morning in l.a. you're