Voir FrenchStream. Data from the World Health Organisation (WHO) indicates that 340 million people worldwide, suffer from depression. This represents approximately 850 000 suicides a year. The WHO also warns that 75% of people with depression don't receive adequate treatment. There are more and more requests for help from people alone, depressed and with suicidal thoughts. 'Vazio' is the story of a middle-aged man who has lost everything and is faced with the most overwhelming of all evil: the emptiness.