Imagine a mosquito-borne virus that has already infected raft of people in recent outbreaks in South and Southeast Asia, the islands of the Indian Ocean, Africa and northern Italy. supposing seldom fatal, it causes highly painful arthritis-like sign that can linger for months or even years. It's capable of go by the book to spread through a mosquito species common in much of North America. And no vaccine or rehabilitation exists to protect humans from its effects.

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