Is current U.S. hospital infection control enough to contain Ebola?

The scene in Texas on Oct. 12
A man dressed in protective clothing leaves after treating the front porch and sidewalk of an apartment where a second person diagnosed with the Ebola virus resides on Oct. 12, 2014 in Dallas, Texas. A female nurse working at Texas Heath Presbyterian Hospital, the same facility that treated Thomas Eric Duncan, has tested positive for the virus.
Mike Stone / Getty Images

A second health care worker in Texas has contracted Ebola after treating an infected patient at a hospital in Dallas.

The news adds to the perception that the disease is out of control in the United States, but it isn't. But the fact that they wore protective gear and took serious precautions raises concerns with health officials.

On The Daily Circuit, we discuss the current precautions for health care workers that care for Ebola patients. What do officials truly understand about containing the disease? What don't we know about Ebola?

LIVE BLOG: The latest on Ebola in the United States