The mosquito-borne Chikungunya virus has recently begun to spread rapidly in southern China, the World Health Organization (WHO) announced on Wednesday. The organization is also warning of the disease's spread to other parts of the world.

What if the next global health upheaval isn’t a new flu or an unknown virus, but something that has been buzzing along in the background for years literally? As chikungunya infections climb to record highs in areas where they were previously unknown,