<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.shirika la afya duniani who lilikusanya taarifa za sababu za vifo mwaka 2012 na kuzifananisha na sababu kubwa za vifo mwaka 2000.  <response>: the world health organisation released a study back in 2014 that sought to find out the leading causes of death from 2000 to 2012. 