Travel-related chikungunya cases in US rise to 484
This year's tally of US chikungunya cases related to foreign travel, mostly to the Caribbean, has risen to 484, an increase of 86 over the past week, the Centers for Disease Control and Prevention (CDC) says.
Forty states have reported cases, three more than a week ago, the agency said in an Aug 5 update. The number of locally acquired cases stayed at four, all of them in Florida.