Second Person in US Contracts Ebola

It has been confirmed that a second person has tested positive for Ebola in the US. A healthcare worker who cared for Thomas Eric Duncan, the first person to die of Ebola in the US, has tested positive for the disease. The worker was following CDC protocols including taking body temperature twice daily when an elevated temperature was discovered. After reporting the temperature, the worker was tested and found to have the virus.

How did this worker contract the virus? The worker, whose identity has not been released, was reportedly wearing full protective gear. What happened then? Officials continue to say that it is extremely difficult to contract the disease yet cases continue to crop up. They say you can’t get it through the air, only by contact with bodily fluids. Aren’t droplets of water passed through the air with a sneeze? Their assurances are not helpful in light of this latest development. Did the worker not handle the protective gear correctly?

More questions need to be answered. This makes me want to dust off my science knowledge. What is the difference between a viral infection and a bacterial infection?

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