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SCL_Blackbird

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  1. B. Ebola is not new. Why is it spreading now? Has it mutated enough to become a pandemic?

     

    Ebola’s very deadliness helped contain it to the dark places in Africa. The old Ebola strains were not very good parasites: they killed their hosts before the hosts could pass the pathogen on. This one is less rapidly deadly, which is worse. It means it spreads more widely, more rapidly because sick patients have time to spew virus-loaded fluids all over their caretakers, loved ones, and objects that people will touch.

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