More in New York, New Jersey infected with chikungunya: CDC.
D000818:Animals; D002487:Centers for Disease Control and Prevention, U.S.; D065632:Chikungunya Fever / Q000453:epidemiology*; D006801:Humans; D009515:New Jersey / Q000453:epidemiology; D009518:New York / Q000453:epidemiology; D014481:United States