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A hazmat worker looks up while finishing up cleaning outside an apartment building of a hospital worker, Sunday, Oct. 12, 2014, in Dallas. The Texas health care worker, who was in full protective gear when they provided hospital care for Ebola patient Thomas Eric Duncan, who later died, has tested positive for the virus and is in stable condition, health officials said Sunday. (AP Photo/LM Otero)
A hazmat worker looks up while finishing up cleaning outside an apartment building of a hospital worker, Sunday, Oct. 12, 2014, in Dallas. The Texas health care worker, who was in full protective gear when they provided hospital care for Ebola patient Thomas Eric Duncan, who later died, has tested positive for the virus and is in stable condition, health officials said Sunday. (AP Photo/LM Otero)

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    'No risk' for passengers near 2nd nurse

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'No risk' for passengers near 2nd nurse

Dr. William Schaffner explains why he thinks those who flew with a nurse infected with Ebola don't need to be worried.

'No risk' for passengers near 2nd nurse

Dr. William Schaffner explains why he thinks those who flew with a nurse infected with Ebola don't need to be worried.