CDC reports potential Ebola exposure in Atlanta lab

[Posteritatis]

9. It doesn't look like they all contacted the sample, from the article

"And each other" is the completely mundane part and could probably be things as simple as two regular coworkers passing through the same doorway or something. My guess would be that one person might have been exposed and they're keeping an eye on everyone that tech worked closely with.

The extent of the precautions there would be part of the seriousness you're talking about - any BSL-4 facility's going to err way on the side of caution if they even suspect the possibility of something going wrong, to a point that would look like a huge frantic reaction to layfolk. The basic procedure there is to treat any kind of suspected issue as though someone had let loose weaponized smallpox or something like that.