AFP: US approves first vaccine against chikungunya virus: drug regulator. #health

I never heard of it either. Here you go: https://www.cdc.gov/chikungunya/

Chikungunya virus | CDC

Information on Chikungunya virus. Provided by the U.S. Centers for Disease Control and Prevention.

@GottaLaff

It's a very nasty disease prevalent in areas where the type of mosquito that carries it is present, spread by mozzies - it's called break back fever as it causes dreadful back and joint pain which can persist for months. It is however rarely fatal.

@Paulos_the_fog Sounds awful though.