But remember, according to the forum experts on Ebola, "it's not that contagious".
Clearly it is very contagious. Never said it wasn't. It is just that you can protect yourself by; as an individual, having no contact with an Ebola patient and as a health cared worker, wearing correct PPE and adhering to processes. This however is not 100% risk free. If you compare this to Flu, pretty much you cannot protect yourself (vaccines aside) apart from some behavioral changes.
However as we have seen sometimes processes and PPE can fail. I do not think that the Ebola penetrated the PPE or jumped on her. They have not concluded how she got infected, however if it was a major lapse in process then I would expect more of the 50 or so people looking after the patient in the hospital to become ill, so far this has not been reported.
They have said in that article that they 'only' had bio lvl 2 PPE; well that is what they have in Africa. Though really they should have bio lvl 4 in developed countries. Hell they should have it in Africa as medical personnel are dying, however there are challenges using it and running it out there.
http://www.cidrap.umn.edu/news-perspective/2014/09/commentary-health-workers-need-optimal-respiratory-protection-ebola