different labs that are different levels of security and something like ebola is supposed to be in a lab with the highest security. it s sort of someone who took this technician, took a sample and moved it to one lab and there s no excuse for it, because all of these samples are color coded. it s almost like putting something yellow next to other things that are red. how does that happen? it happens because of human error. scientists make mistakes, but that s why it s so important to have these protocols in place, to have standard operating procedures to make sure if one lab maker makes a mistake, there are plans in place that prevent such a mistake from happening. we saw this with bird flu earlier this year. that mistake probably occurred because one scientist was overworked. so this is really unacceptable. we ve seen it with bird flu, samples of live anthrax and now