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PBS News Hour
Why isn't there a better test to detect Ebola?
In Sierra Leone, health care workers use infrared thermometers to monitor those who may have come in contact with Ebola. It takes 21 days before they can be deemed virus-free. That’s why researchers are trying to create more precise infection detection. In the second in the series, science correspondent Miles O’Brien looks at the efforts to create faster, more reliable testing for the virus.
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