title: Update on emerging infections: news from the Centers for Disease Control and Prevention. Notes from the field: chikungunya virus spreads in the Americas-Caribbean and South America, 2013-2014.
mesh_terms: D018354:Alphavirus Infections / Q000453:epidemiology*; D002646:Chikungunya virus / Q000302:isolation & purification*; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D006801:Humans; D011159:Population Surveillance