450821630_wide-84efdc85d96f268af5a6f4623bdfbcb20e037e87-s800-c85Most of us will remember 2014 as the year Ebola came to the U.S. But another virus made its debut in the Western Hemisphere. And unlike Ebola, it’s not leaving anytime soon. The virus is called chikungunya: You pronounce it a bit like “chicken-goon-ya.” Although the illness is rarely fatal, it’s by no means mild, says virologist Ann Powers of the Centers for Disease Control and Prevention. It causes such severe joint pain, she says, that “people who have it can’t stand up or don’t even want to shake your hand because it’s too painful.” Until recently, infection with the mosquito-borne virus was restricted mostly to Asia and Africa. Then, in December 2013, a few dozen cases cropped up on the island of St. Martin in the Caribbean. By February, there were thousands of cases across the region, and hundreds of thousands by June. In July, chikungunya had spread to Central America, South America — and Florida. More