If the disease started here in the use, you'd end up with probably ten or so cases a year and that's all. So how about we all relax and stop perpetuating the idea that this is something bigger than it will be. Hell Swine Flu was scarier than this... and killed more people (it's estimated that since 2009, over 500,000 people have died from that. For god's sake, Malaria has killed more people world wide than Ebola!
“Egotist, n. A person of low taste, more interested in himself than in me.”
― Ambrose Bierce, The Unabridged Devil's Dictionary