The CDC dropped a Level 2 travel warning for Americans heading to Bangladesh, Cuba, Sri Lanka, and China's Guangdong Province because chikungunya cases are blowing up in those spots. The mosquito-borne virus has no cure, but there's a vaccine out there, and symptoms hit you with high fever plus joint pain that can stick around long-term. Between January and September this year, the planet saw 445,000 suspected and confirmed infections, with 155 people dying from complications.
Bangladesh logged 700 suspected cases just in Dhaka during that stretch, while Guangdong Province in China clocked 16,000 locally transmitted infections for their biggest outbreak ever. The CDC also flagged Brazil, Colombia, India, Mexico, Nigeria, Pakistan, the...