@Ragman,
Infectious diseases: "Specialists say the greatest risk comes from taking the gear off."
This individual was following full C.D.C. precautions,” Dr. Varga said, adding, “Gown, glove, mask and shield.” Asked how concerned he was that even after those precautions the worker tested positive, he replied, “We’re very concerned.”
Dr. Thomas R. Frieden, the director of the federal Centers for Disease Control and Prevention, said, however, that the latest report indicated a clear breach of safety protocol at the hospital....
The case also raises questions about whether the protective equipment recommended by the C.D.C. is adequate, and whether health care workers in American hospitals are receiving enough training and supervision in using it properly.
The protective gear is meant to keep the patient’s body fluids from coming into contact with health workers’ skin or mucous membranes in the eyes, nose or mouth. But even if the gear seals out the virus, it can become contaminated, and health workers can infect themselves if they remove it improperly and touch the outside of it. Specialists say the greatest risk comes from taking the gear off. It is supposed to be peeled off layer by layer according to a strict protocol, with a helper supervising and disinfecting parts of it at certain steps....
http://www.nytimes.com/2014/10/13/us/texas-health-worker-tests-positive-for-ebola.html?_r=0
The CDC hasn't confirmed that test, by the way.