It's more a barometer of what we will actually do when diseases like this come out. Might be exaggerated, but there are many people watching this interested in how people and governments react.
A lot of medical authorities think that there is an impending epidemic of a strain of flu-virus, that will be both deadlier and much more infectious. I remember some of the predictions about both mad cow and bird flu, though I suppose it's wiser to err on the side of caution.
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