it could be camel meat and drinking unpasteurized camel milk.ople are around camels. it could be the spit or something from camels that gets on a person's skin. you remember that is how ebola transfers, gets on a person's skin. they have shown it can spread from human to human as well, but very difficult for that to happen. >> could someone have this virus, get on an airplane, and all of a sudden the infection become something significant, huge? >> i think that is a real concern. and you know, you know me well enough i don't like to alarm about these things. there are two things, one is an incubation period, you could be exposed, you could have the virus and not be sick and get on a plane. in fact, it has already happened where you have people in europe who have had the mers virus, and they got it from saudi arabia. the other concern is now these are places where there are international airports. some type of travel can happen much more quickly. >> all right, sanjay gupta, thank you so much. >>> up next, a man tries to spice up his college gradu